參數(shù)資料
型號: PIC12F635T-I/MF
廠商: Microchip Technology
文件頁數(shù): 38/74頁
文件大?。?/td> 0K
描述: IC MCU FLASH 1KX14 8DFN
標(biāo)準(zhǔn)包裝: 3,300
系列: PIC® 12F
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,WDT
輸入/輸出數(shù): 5
程序存儲器容量: 1.75KB(1K x 14)
程序存儲器類型: 閃存
EEPROM 大小: 128 x 8
RAM 容量: 64 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-VDFN 裸露焊盤
包裝: 帶卷 (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
Micrel, Inc.
KSZ8841-PMQL
October 2007
43
M9999-100407-1.5
Register
IDENTIFIER
OFFSET
ADD MAC High 2
MAAH2
0x0094
ADD MAC Low 3
MAAL3
0x0098
ADD MAC High 3
MAAH3
0x009C
ADD MAC Low 4
MAAL4
0x00A0
ADD MAC High 4
MAAH4
0x00A4
ADD MAC Low 5
MAAL5
0x00A8
ADD MAC High 5
MAAH5
0x00AC
ADD MAC Low 6
MAAL6
0x00B0
ADD MAC High 6
MAAH6
0x00B4
ADD MAC Low 7
MAAL7
0x00B8
ADD MAC High 7
MAAH7
0x00BC
ADD MAC Low 8
MAAL8
0x00C0
ADD MAC High 8
MAAH8
0x00C4
ADD MAC Low 9
MAAL9
0x00C8
ADD MAC High 9
MAAH9
0x00CC
ADD MAC Low 10
MAAL10
0x00D0
ADD MAC High 10
MAAH10
0x00D4
ADD MAC Low 11
MAAL11
0x00D8
ADD MAC High 11
MAAH11
0x00DC
ADD MAC Low 12
MAAL12
0x00E0
ADD MAC High 12
MAAH12
0x00E4
ADD MAC Low 13
MAAL13
0x00E8
ADD MAC High 13
MAAH13
0x00EC
ADD MAC Low 14
MAAL14
0x00F0
ADD MAC High 14
MAAH14
0x00F4
ADD MAC Low 15
MAAL15
0x00F8
ADD MAC High 15
MAAH15
0x00FC
MAC/PHY and Control Registers
MAC Address Register Low (0x0200): MARL
This register along with other 2 MAC address registers are loaded starting at word location 0x10 of the EEPROM upon
hardware reset. The register can be modified by software driver, but will not modify the original MAC address value in
the EEPROM. These six bytes of MAC address in external EEPROM are loaded to these three registers as mapping
below:
MARL[15:0] = EEPROM 0x1(MAC Byte 2 and 1)
MARM[15:0] = EEPROM 0x2(MAC Byte 4 and 3)
MARH[15:0] = EEPROM 0x3(MAC Byte 6 and 5)
The MAC address is used to define the individual destination address the KSZ8841-PMQL responds to when receiving
frames. Network addresses are generally expressed in the form of 01:23:45:67:89:AB, where the bytes are received
from left to right, and the bits within each byte are received from right to left (LSB to MSB). For example, the actual
transmitted and received bits are on the order of 10000000 11000100 10100010 11100110 10010001 11010101.
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