参数资料
| 型号： | PIC12F635T-I/MF |
| 厂商： | Microchip Technology |
| 文件页数： | 22/74页 |
| 文件大小： | 0K |
| 描述： | IC MCU FLASH 1KX14 8DFN |
| 标准包装： | 3,300 |
| 系列： | PIC® 12F |
| 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，POR，WDT |
| 输入/输出数： | 5 |
| 程序存储器容量： | 1.75KB（1K x 14） |
| 程序存储器类型： | 闪存 |
| EEPROM 大小： | 128 x 8 |
| RAM 容量： | 64 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2 V ~ 5.5 V |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-VDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 配用： | AC164324-ND - MODULE SKT FOR MPLAB 8DFN/16QFN XLT08DFN2-ND - SOCKET TRANSITION ICE 14DIP/8DFN AC162057-ND - MPLAB ICD 2 HEADER 14DIP XLT08DFN-ND - SOCKET TRANSITION ICE 8DFN AC164032-ND - ADAPTER PICSTART PLUS 8DFN/DIP AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC |
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Micrel, Inc.
KSZ8841-PMQL
October 2007
29
M9999-100407-1.5
Configuration ID Register (CFID Offset 00H)
The CFID register identifies the KSZ8841-PMQL. The following table shows the CFID register bit fields.
Bit
Default
Description
31 - 16
0x8841
Device ID
15 - 0
0x16C6
Vendor ID
Specifies the manufacturer of the KSZ8841-PMQL.
The following table shows the access rules of the register.
Command and Status Configuration Register (CFCS Offset 04H)
The CFCS register is divided into two sections: a command register (CFCS[15:0]) and a status register (CFCS[31:16]).
The command register provides control of the KSZ8841-PMQL’s ability to generate and respond to PCI cycles. When 0
is written to this register, the KSZ8841-PMQL logically disconnects from the PCI bus for all accesses except
configuration accesses.
The status register records status information for the PCI bus-related events. The CFCS status bits are not cleared
when they are read. Writing 1 to these bits clears them; writing 0 has no effect.
The following table describes the CFCS register bit fields.
Bit
Type
Default
Description
31
Status
0
Detected Parity Error
When set, indicates that the KSZ8841-PMQL detected a parity
error, even if parity error handling is disabled in parity error
response (CFCS[6]).
30
Status
0
Signal System Error
When set, indicates that the KSZ8841-PMQL asserted the system
error SERR_N pin.
29
Status
0
Received Master Abort
When set, indicates that the KSZ8841-PMQL terminated a master
transaction with master abort.
28
Status
0
Received Target Abort
When set, indicates that the KSZ8841-PMQL master transaction
was terminated due to a target abort.
27
Status
0
Target Abort
This bit is set by KSZ8841-PMQL whenever it terminates with a
Target Abort. The CSR registers are all 32-bit Little Endian format.
For PCI register Read cycles, the KSZ8841-PMQL allows any
different combination of CBEN. For PCI register bus cycles, only
byte, word (16-bit), or Dword (32-bit) accesses are allowed. Any
other combination is illegal and is target aborted.
26 - 25
Status
01
Device Select Timing
Indicates the timing of the assertion of device select(DEVSEL_N).
These bits are fixed at 01, which indicates a medium assertion of
DEVSEL_N.
Category
Description
Value after hardware reset
0x884116C6
Write access rules
Write has no effect on the KSZ8841-PMQL.
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相关代理商/技术参数 |
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| PIC12F636 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8/14-PIN FLASH-BASED, 8-BIT CMOS MICROCONTROLLERS WITH NANOWATT TECHNOLOGY |
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