參數(shù)資料
型號(hào): KBD42W11
廠商: SMSC Corporation
英文描述: Keyboard controller is programmed to support
中文描述: 鍵盤控制器編程,以支持
文件頁(yè)數(shù): 5/16頁(yè)
文件大小: 99K
代理商: KBD42W11
5
BLOCK DIAGRAM
RECEIVE
CONTROL
HARDWIRE
CONTROL &
SELECT
LOGIC
DATA
BUFFER
REGISTER
REGISTER
STATUS
REGISTER
PORT
INTERFACE
STATUS
BUFFER
REGISTER
INPUT
BUFFER
T0
T1
XOUT
XIN
nWR
nRD
nCS
A2
D0- D7
R64
SCAN
CODE
ROM
nRESET
P10
P11
P12
P13
P14 (RAM Select)
P15 (Manufacture Mode)
P16 (Display)
P17 (KBNH)
P20(nRC)
P21 (Gate A20)
P22
P23
P24
P25
P26 (Keyboard Clock)
P27
(Keyboard Data)
OUTPUT
BUFFER
REGISTER
W60
R60
INPUT &
OUTPUT
PORT
INTERFACE
OUTPUT
CONTROL
TRANSMIT
TRANSMIT
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