參數(shù)資料
型號(hào): PIC16F1508-I/SS
廠商: Microchip Technology
文件頁數(shù): 78/123頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 7KB FLASH 20-SSOP
標(biāo)準(zhǔn)包裝: 67
系列: PIC® XLP™ 16F
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,LIN,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 17
程序存儲(chǔ)器容量: 7KB(4K x 14)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 12x10b,D/A 1x5b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-SSOP(0.209",5.30mm 寬)
包裝: 管件
Micrel, Inc.
KSZ8873MLLJ
September 2011
58
M9999-091911-1.8
Bit
Name
R/W
Description
Default
(not for
0x35)
4
Drop Ingress
Tagged
Frame
R/W
=1, Enable
=0, Disable
0
3-2
Limit Mode
R/W
Ingress Limit Mode
These bits determine what kinds of frames are limited and counted
against ingress rate limiting.
=00, Limit and count all frames
=01, Limit and count Broadcast, Multicast, and flooded unicast
frames
=10, Limit and count Broadcast and Multicast frames only
=11, Limit and count Broadcast frames only
00
1
Count IFG
R/W
Count IFG bytes
=1, Each frame’s minimum inter frame gap
(IFG) bytes (12 per frame) are included in Ingress and Egress rate
limiting calculations.
=0, IFG bytes are not counted.
0
Count Pre
R/W
Count Preamble bytes
=1, Each frame’s preamble bytes (8 per
frame) are included in Ingress and Egress rate limiting calculations.
=0, Preamble bytes are not counted.
0
Register 22[6:0] (0x16): Port 1 Q0 ingress data rate limit
Register 38[6:0] (0x26): Port 2 Q0 ingress data rate limit
Register 54[6:0] (0x36): Port 3 Q0 ingress data rate limit
Bit
Name
R/W
Description
Default
7
RMII
REFCLK
INVERT
R/W
=1, Port 3 inverted refclk selected
=0, Port 3 original refclk selected
Note:
Bit 7 is available on port 3 in the RLL device. Other ports and devices
will be reserved for this bit.
0
Note: Not Applied to
Reg.38(Port 2)
6-0
Q0 Ingress
Data Rate
limit
R/W
Ingress data rate limit for priority 0 frames
Ingress traffic from this priority queue is shaped according to the
ingress Data Rate Limit Table.
0
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