参数资料
型号: PIC18F2331-I/MM
厂商: Microchip Technology
文件页数: 105/119页
文件大小: 0K
描述: IC PIC MCU FLASH 4KX16 28QFN
产品培训模块: PIC18 J Series MCU Overview
标准包装: 61
系列: PIC® 18F
核心处理器: PIC
芯体尺寸: 8-位
速度: 40MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,LVD,电源控制 PWM,QEI,POR,PWM,WDT
输入/输出数: 24
程序存储器容量: 8KB(4K x 16)
程序存储器类型: 闪存
EEPROM 大小: 256 x 8
RAM 容量: 768 x 8
电压 - 电源 (Vcc/Vdd): 4.2 V ~ 5.5 V
数据转换器: A/D 5x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 28-VQFN 裸露焊盘
包装: 管件
产品目录页面: 642 (CN2011-ZH PDF)
配用: AC164322-ND - MODULE SOCKET MPLAB PM3 28/44QFN
I3-DB18F4431-ND - BOARD DAUGHTER ICEPIC3
其它名称: PIC18F2331-I/ML
PIC18F2331-I/ML-ND
Micrel, Inc.
KSZ8842-PMQL/PMBL
October 2007
86
M9999-100207-1.5
Bit
Default
R/W
Description
8
0
RW
Learning disable
1 = disable switch address learning capability
0 = enable switch address learning
7
0
RW
Sniffer port
1 = Port is designated as sniffer port and will transmit packets that are
monitored.
0 = Port is a normal port
6
0
RW
Receive sniff
1 = All the packets received on the port will be marked as “monitored
packets” and forwarded to the designated “sniffer port”
0 = no receive monitoring
5
0
RW
Transmit sniff
1 = All the packets transmitted on the port will be marked as “monitored
packets” and forwarded to the designated “sniffer port”
0 = no transmit monitoring
4
0
RW
Reserved
3
0
R/W
User Priority Field
1 = if the packet’s “user priority field” is greater than the “user priority bits”
in port 2’s VID Control register bits [15:13], replace the packet’s “user
priority field” with the “user priority bits” in port 2’s VID Control register bits
[15:13].
0 = do not compare and replace the packet’s ‘user priority field”
2 – 0
111
RW
Port VLAN membership
Define the port’s Port VLAN membership. Bit 2 stands for port 3, bit 1 for
port 2, and bit 0 for port 1. The Port can only communicate within the
membership. An ‘1’ includes a port in the membership; an ‘0’ excludes a
port from the membership.
Port 2 VID Control Register (Offset 0x0524): P2VIDCR
This register contains the global per port control for the switch port 2 function.
Bit
Default
R/W
Description
15 – 13
000
RW
User Priority bits
Port 2 tag [15-13] for priority
12
0
RW
CFI bit
Port 2 tag [12] for CFI
11 – 0
0x001
RW
VID bits
Port 2 tag [11-0] for VID
Note: P2VIDCR serve two purposes:
(1) Associated with the ingress untagged packets, and used for egress tagging.
(2) Default VID for the ingress untagged or null-VID-tagged packets, and used for address look up.
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