参数资料
型号: PIC12F635T-I/MF
厂商: Microchip Technology
文件页数: 16/74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
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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