| Parameters | 
                                
                                                                                                            
                                            | Package / Case | 
                                            208-LQFP | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C TA | 
                                        
                                                                            
                                            | Packaging | 
                                            Tray | 
                                        
                                                                            
                                            | Published | 
                                            2002 | 
                                        
                                                                            
                                            | Series | 
                                            EP7 | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e0 | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            208 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Tin/Lead (Sn/Pb) | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            225 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            2.5V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.5mm | 
                                        
                                                                            
                                            | Frequency | 
                                            90MHz | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            30 | 
                                        
                                                                            
                                            | Base Part Number | 
                                            EP7312 | 
                                        
                                                                            
                                            | Pin Count | 
                                            208 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            S-PQFP-G208 | 
                                        
                                                                            
                                            | Supply Voltage-Max (Vsup) | 
                                            2.7V | 
                                        
                                                                            
                                            | Supply Voltage-Min (Vsup) | 
                                            2.3V | 
                                        
                                                                            
                                            | Number of I/O | 
                                            27 | 
                                        
                                                                            
                                            | RAM Size | 
                                            48kB | 
                                        
                                                                            
                                            | uPs/uCs/Peripheral ICs Type | 
                                            MICROCONTROLLER, RISC | 
                                        
                                                                            
                                            | Core Processor | 
                                            ARM7TDMI | 
                                        
                                                                            
                                            | Bit Size | 
                                            32 | 
                                        
                                                                            
                                            | Access Time | 
                                            90 μs | 
                                        
                                                                            
                                            | Has ADC | 
                                            NO | 
                                        
                                                                            
                                            | DMA Channels | 
                                            NO | 
                                        
                                                                            
                                            | PWM Channels | 
                                            YES | 
                                        
                                                                            
                                            | DAC Channels | 
                                            NO | 
                                        
                                                                            
                                            | Address Bus Width | 
                                            28 | 
                                        
                                                                            
                                            | Core Architecture | 
                                            ARM | 
                                        
                                                                            
                                            | External Data Bus Width | 
                                            32 | 
                                        
                                                                            
                                            | Voltage - I/O | 
                                            2.5V 2.7V 3.0V 3.3V | 
                                        
                                                                            
                                            | Number of Cores/Bus Width | 
                                            1 Core 32-Bit | 
                                        
                                                                            
                                            | Graphics Acceleration | 
                                            No | 
                                        
                                                                            
                                            | RAM Controllers | 
                                            SDRAM | 
                                        
                                                                            
                                            | Additional Interfaces | 
                                            DAI, IrDA, SSI, UART | 
                                        
                                                                            
                                            | ROM Programmability | 
                                            FLASH | 
                                        
                                                                            
                                            | Number of Cores | 
                                            1 | 
                                        
                                                                            
                                            | Security Features | 
                                            Hardware ID | 
                                        
                                                                            
                                            | Display & Interface Controllers | 
                                            Keypad, LCD, Touchscreen | 
                                        
                                                                            
                                            | Length | 
                                            28mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            Non-RoHS Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Contains Lead | 
                                        
                                                                                                    
                            
                         
                                                EP7312-IV-90 Overview
Shipping overseas is convenient thanks to the embedded microprocessor's packaging in 208-LQFP. A high level of reliability is provided by using an advanced packaging method Tray. There are 1 Core 32-Bit cores/bus width on the CPU. Identify the operating temperature around -40°C~85°C TA. In the EP7 series, it is found. This CPU is cored with a ARM7TDMI processor. This CPU uses SDRAM RAM controllers. With its DAI, IrDA, SSI, UART interfaces, this microprocessor will be able to serve you better. There is 2.5V 2.7V 3.0V 3.3V I/O running on this CPU. It is a MICROCONTROLLER, RISC in terms of uPs/uCs/Peripheral ICs. Try searching for variants of the cpu microprocessor with EP7312. There are 208 terminations totally. Using a 2.5V voltage supply, the microprocessor should turn on and run. There are 32 bits in its architecture. A 90MHz frequency is used by the CPU. The maximum supply current of this microprocessor is 2.7V. With a 32 external data bus width, this CPU has a wide data bus. The CPU microprocessor body is injected with 208 pins. The CPU has 1 cores. A 48kB amount of RAM (Random-Access Memory) is designed. Data is transferred through 27 I/O ports by CPU programs. 
EP7312-IV-90 Features
ARM7TDMI Core
32-Bit Structure
1-Core CPU
48kB RAM
27 I/Os
EP7312-IV-90 Applications
There are a lot of Cirrus Logic Inc. EP7312-IV-90 Microprocessor applications. 
- Set-top boxes
 - Computers and laptops-video calling, email, blogging
 - Heart rate monitors
 - Consumer electronics products
 - Metering & measurement field
 - Refrigerators 
 - Keyboards
 - Automobile
 - Paper shredders
 - Ipad