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| 型号： | PIC16F639T-I/SS |
| 厂商： | Microchip Technology |
| 文件页数： | 34/74页 |
| 文件大小： | 0K |
| 描述： | IC MCU FLASH 2KX14 20SSOP |
| 产品培训模块： | Asynchronous Stimulus |
| 标准包装： | 1,600 |
| 系列： | PIC® 16F |
| 核心处理器： | PIC |
| 芯体尺寸： | 8-位 |
| 速度： | 20MHz |
| 外围设备： | 欠压检测/复位，LVD，POR，WDT |
| 输入/输出数： | 11 |
| 程序存储器容量： | 3.5KB（2K x 14） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 128 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2 V ~ 3.6 V |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 包装： | 带卷 (TR) |
| 配用： | XLT20SS1-1-ND - SOCKET TRANSITION 20DIP 20SSOP AC162066-ND - HEADER INTRFC MPLAB ICD2 20PIN |
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Micrel, Inc.
KSZ8841-PMQL
October 2007
4
M9999-100407-1.5
Contents
Pin Configuration .............................................................................................................................................................. 8
Pin Description .................................................................................................................................................................. 9
Functional Description ................................................................................................................................................... 14
PCI Bus Interface Unit .................................................................................................................................................. 14
PCI Bus Interface ................................................................................................................................................. 14
TXDMA Logic and TX Buffer Manager ................................................................................................................ 14
RXDMA Logic and RX Buffer Manager................................................................................................................ 14
Power Management...................................................................................................................................................... 14
Power down.......................................................................................................................................................... 14
Wake-on-LAN....................................................................................................................................................... 14
Link Change ......................................................................................................................................................... 15
Wake-up Packet ................................................................................................................................................... 15
Magic Packet........................................................................................................................................................ 15
Physical Layer Transceiver (PHY) ................................................................................................................................. 16
100BASE-TX Transmit.................................................................................................................................................. 16
100BASE-TX Receive................................................................................................................................................... 16
PLL Clock Synthesizer (Recovery) ............................................................................................................................... 16
Scrambler/De-scrambler (100BASE-TX Only).............................................................................................................. 16
10BASE-T Transmit ...................................................................................................................................................... 16
10BASE-T Receive ....................................................................................................................................................... 16
MDI/MDI-X Auto Crossover .......................................................................................................................................... 17
Straight Cable....................................................................................................................................................... 17
Crossover Cable................................................................................................................................................... 18
Auto Negotiation ........................................................................................................................................................... 18
LinkMD Cable Diagnostics ............................................................................................................................................. 20
Access........................................................................................................................................................................... 20
Usage............................................................................................................................................................................ 20
Media Access Control (MAC) and other........................................................................................................................ 20
Inter Packet Gap (IPG) ................................................................................................................................................. 20
Back-Off Algorithm........................................................................................................................................................ 20
Late Collision ................................................................................................................................................................ 20
Flow Control.................................................................................................................................................................. 20
Half-Duplex Backpressure ............................................................................................................................................ 21
Clock Generator............................................................................................................................................................ 21
EEPROM Interface ....................................................................................................................................................... 21
Loopback Support......................................................................................................................................................... 23
Host Communication ...................................................................................................................................................... 24
Host Communication Descriptor Lists and Data Buffers .............................................................................................. 24
Receive Descriptors (RDES0-RDES3) ......................................................................................................................... 24
Transmit Descriptors (TDES0-TDES3)......................................................................................................................... 26
PCI Configuration Registers .......................................................................................................................................... 28
Configuration ID Register (CFID Offset 00H) ............................................................................................................... 29
Command and Status Configuration Register (CFCS Offset 04H)............................................................................... 29
Configuration Revision Register (CFRV Offset 08H).................................................................................................... 31
Configuration Latency Timer Register (CFLT Offset 0CH)........................................................................................... 31
Configuration Base Memory Address Register (CBMA Offset 10H) ............................................................................ 31
Subsystem ID Register (CSID Offset 2CH) .................................................................................................................. 32
Capabilities Pointer Register (CCAP Offset 34H)......................................................................................................... 32
Configuration Interrupt Register (CFIT Offset 3CH) ..................................................................................................... 32
Capabilities ID Register (CCID Offset 50H).................................................................................................................. 33
Power-Management Control and Status Register (CPMC Offset 54H)........................................................................ 35
PCI Control & Status Registers ..................................................................................................................................... 36
MAC DMA Transmit Control Register (MDTXC Offset 0x0000) ................................................................................... 36
MAC DMA Receive Control Register (MDRXC Offset 0x0004).................................................................................... 37
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| PIC16F648A-E/ML | 功能描述:8位微控制器 -MCU 7KB 256 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| PIC16F648A-E/P | 功能描述:8位微控制器 -MCU 7KB 256 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| PIC16F648A-E/SO | 功能描述:8位微控制器 -MCU 7KB 256 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| PIC16F648A-E/SS | 功能描述:8位微控制器 -MCU 7KB 256 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| PIC16F648A-I/ML | 功能描述:8位微控制器 -MCU 7KB 256 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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