參數(shù)資料
型號: PIC12F635T-I/MF
廠商: Microchip Technology
文件頁數(shù): 16/74頁
文件大?。?/td> 0K
描述: IC MCU FLASH 1KX14 8DFN
標準包裝: 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?。?/td> 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
23
M9999-100407-1.5
Bit
Name
Description
3
PME_CK
PME Clock
When this bit is a “1”, it indicates that the function relies on the presence of the PCI
clock for PME# operation.
When this bit is a “0”, it indicates that no PCI clock is required for the function to
generate PME#. This bit is loaded to bit 3 of PMCR register and bit 19 of CCID
register.
2 - 0
PCI: PME_VER
PCI: Power Management PCI Version. These bits are loaded to bits [2-0] of the
PMCR register and bits [18-16] of the CCID register.
Table 3. KSZ8841-PMQL ConfigParam in EEPROM Format
Loopback Support
The KSZ8841-PMQL provides loopback support for remote diagnostic failure. In loopback mode, the speed at the PHY
port will be set to 100BASE-TX full-duplex mode. The KSZ8841-PMQL only supports Near-end (Remote) Loopback.
Near-end (Remote) loopback is conducted at PHY port 1 of the KSZ8841-PMQL. The loopback path starts at the PHY
ports receive inputs (RXPx/RXMx), wraps around at the same PHY port’s PMD/PMA, and ends at the PHY ports
transmit outputs (TXPx/TXMx).
Bit [1] of register P1PHYCTRL is used to enable near-end loopback for port 1. Alternatively, Bit [9] of register
P1SCSLMD can also be used to enable near-end loopback. The port’s near-end loopback path is illustrated in the
following Figure 4.
PCI Bus I/F Unit
RX/TX DMA
8K RX/TX Buffer
MAC1
PCS1
PMD1/PMA1
RXP1 /
RXM1
TXP1 /
TXM1
PHY Port 1
Near-end (remote)
Loopback
Figure 6. Port 1 Near-End (Remote) Loopback Path
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