參數(shù)資料
型號: PIC18F4331T-I/ML
廠商: Microchip Technology
文件頁數(shù): 93/119頁
文件大?。?/td> 0K
描述: IC MCU FLASH 4KX16 44QFN
標(biāo)準(zhǔn)包裝: 1,600
系列: PIC® 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 40MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,LVD,電源控制 PWM,QEI,POR,PWM,WDT
輸入/輸出數(shù): 36
程序存儲器容量: 8KB(4K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量: 768 x 8
電壓 - 電源 (Vcc/Vdd): 4.2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 9x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-VQFN 裸露焊盤
包裝: 帶卷 (TR)
配用: I3-DB18F4431-ND - BOARD DAUGHTER ICEPIC3
Micrel, Inc.
KSZ8842-PMQL/PMBL
October 2007
75
M9999-100207-1.5
Port 1 Control Register 2 (Offset 0x0502): P1CR2
This register contains the global per port control for the switch port 1 function.
Bit
Default
R/W
Description
15
0
RW
Reserved
14
0
RW
Ingress VLAN filtering
1 = the switch will discard packets whose VID port membership in VLAN
table bits [18:16] does not include the ingress port.
0 = no ingress VLAN filtering.
13
0
RW
Discard Non PVID packets
1 = the switch will discard packets whose VID does not match ingress port
default VID.
0 = no packets will be discarded.
12
0
RW
Force flow control
1 = will always enable flow control on the port, regardless of AN result.
0 = the flow control is enabled based on AN result.
11
0
RW
Back pressure enable
1 = enable port’s half duplex back pressure
0 = disable port’s half duplex back pressure.
10
1
RW
Transmit enable
1 = enable packet transmission on the port
0 = disable packet transmission on the port
9
1
RW
Receive enable
1 = enable packet reception on the port
0 = disable packet reception on the port
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 1’s VID Control register bits [15:13], replace the packet’s “user
priority field” with the “user priority bits” in port 1’s VID Control register bits
[15:13].
0 = do not compare and replace the packet’s ‘user priority field”
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