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| 型号： | EP7312-IR-90 |
| 厂商： | CIRRUS LOGIC INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| 中文描述： | 32-BIT, FLASH, 90 MHz, RISC MICROCONTROLLER, PBGA204 |
| 封装： | 13 X 13 MM, TFBGA-204 |
| 文件页数： | 5/64页 |
| 文件大小： | 1710K |
| 代理商： | EP7312-IR-90 |
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DS508PP5
Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
5
EP7312
High-Performance, Low-Power System on Chip
List of Figures
Figure 1. A Fully-Configured EP7312-Based System ...................................................................................................12
Figure 2. Legend for Timing Diagrams .........................................................................................................................15
Figure 3. SDRAM Load Mode Register Cycle Timing Measurement ............................................................................17
Figure 4. SDRAM Burst Read Cycle Timing Measurement ..........................................................................................18
Figure 5. SDRAM Burst Write Cycle Timing Measurement ..........................................................................................19
Figure 6. SDRAM Refresh Cycle Timing Measurement ................................................................................................20
Figure 7. Static Memory Single Read Cycle Timing Measurement ...............................................................................22
Figure 8. Static Memory Single Write Cycle Timing Measurement ...............................................................................23
Figure 9. Static Memory Burst Read Cycle Timing Measurement ................................................................................24
Figure 10. Static Memory Burst Write Cycle Timing Measurement ..............................................................................25
Figure 11. SSI1 Interface Timing Measurement ...........................................................................................................26
Figure 12. SSI2 Interface Timing Measurement ...........................................................................................................27
Figure 13. LCD Controller Timing Measurement ..........................................................................................................28
Figure 14. JTAG Timing Measurement .........................................................................................................................29
Figure 15. 208-Pin LQFP Package Outline Drawing ....................................................................................................30
Figure 16. 208-Pin LQFP (Low Profile Quad Flat Pack) Pin Diagram ..........................................................................31
Figure 17. 204-Ball TFBGA Package ............................................................................................................................38
Figure 18. 256-Ball PBGA Package ..............................................................................................................................46
List of Tables
Table 1. Power Management Pin Assignments ..............................................................................................................6
Table 2. Static Memory Interface Pin Assignments ........................................................................................................6
Table 3. SDRAM Interface Pin Assignments ..................................................................................................................7
Table 4. Universal Asynchronous Receiver/Transmitters Pin Assignments ...................................................................7
Table 5. DAI Interface Pin Assignments .........................................................................................................................7
Table 6. CODEC Interface Pin Assignments ..................................................................................................................8
Table 7. SSI2 Interface Pin Assignments .......................................................................................................................8
Table 8. Serial Interface Pin Assignments ......................................................................................................................8
Table 9. LCD Interface Pin Assignments ........................................................................................................................8
Table 10. Keypad Interface Pin Assignments .................................................................................................................9
Table 11. Interrupt Controller Pin Assignments ..............................................................................................................9
Table 12. Real-Time Clock Pin Assignments ..................................................................................................................9
Table 13. PLL and Clocking Pin Assignments ................................................................................................................9
Table 14. DC-to-DC Converter Interface Pin Assignments ...........................................................................................10
Table 15. General Purpose Input/Output Pin Assignments ..........................................................................................10
Table 16. Hardware Debug Interface Pin Assignments ................................................................................................10
Table 17. LED Flasher Pin Assignments ......................................................................................................................10
Table 18. DAI/SSI2/CODEC Pin Multiplexing ...............................................................................................................11
Table 19. Pin Multiplexing .............................................................................................................................................11
Table 20. 208-Pin LQFP Numeric Pin Listing ...............................................................................................................32
Table 21. 204-Ball TFBGA Ball Listing .........................................................................................................................40
Table 22. 256-Ball PBGA Ball Listing ...........................................................................................................................49
Table 23. JTAG Boundary Scan Signal Ordering .........................................................................................................54
Table 24. Acronyms and Abbreviations ........................................................................................................................60
Table 25. Unit of Measurement .....................................................................................................................................60
Table 26. Pin Description Conventions .........................................................................................................................61
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EP7312IR-90 | 制造商:Cirrus Logic 功能描述: |
| EP7312-IR-C | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7312-IV | 功能描述:IC ARM720T MCU 74MHZ 208-LQFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:EP7 标准包装:1,500 系列:AVR® ATtiny 核心处理器:AVR 芯体尺寸:8-位 速度:16MHz 连通性:I²C，LIN，SPI，UART/USART，USI 外围设备:欠压检测/复位，POR，PWM，温度传感器，WDT 输入/输出数:16 程序存储器容量:8KB（4K x 16） 程序存储器类型:闪存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:A/D 11x10b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:带卷 (TR) |
| EP7312-IV-90 | 功能描述:IC ARM720T MCU 90MHZ 208-LQFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:EP7 标准包装:1,500 系列:AVR® ATtiny 核心处理器:AVR 芯体尺寸:8-位 速度:16MHz 连通性:I²C，LIN，SPI，UART/USART，USI 外围设备:欠压检测/复位，POR，PWM，温度传感器，WDT 输入/输出数:16 程序存储器容量:8KB（4K x 16） 程序存储器类型:闪存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:A/D 11x10b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:带卷 (TR) |
| EP7312-IV-C | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
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