參數(shù)資料
型號: 37C669
廠商: SMSC Corporation
英文描述: DIODE SCHOTTKY SINGLE 25V 200mW 0.5V-vf 200mA-IFM 30mA-IF 2uA-IR SOD-323 3K/REEL
中文描述: 電腦98/99順從超級I / O軟盤控制器與紅外線支持
文件頁數(shù): 15/164頁
文件大?。?/td> 621K
代理商: 37C669
111
Table 43 - PC/AT and PS/2 Available Registers
Available Registers
Base + Address
PC-AT
PS/2 (Model 30)
Access Permitted
Access to these registers DOES NOT wake up the part
00H
----
SRA
R
01H
----
SRB
R
02H
DOR (1)
R/W
03H
---
04H
DSR (1)
W
06H
---
07H
DIR
R
07H
CCR
W
Access to these registers wakes up the part
04H
MSR
R
05H
Data
R/W
Note 1: Writing to the DOR or DSR does not wake up the part, however, writing any of the motor
enable bits or doing a software reset (via DOR or DSR reset bits) will wake up the part.
Table 44 - State of System Pins in Auto Powerdown
System Pins
State in Auto Powerdown
Input Pins
IOR
Unchanged
IOW
Unchanged
A[0:9]
Unchanged
D[0:7]
Unchanged
RESET
Unchanged
IDENT
Unchanged
DACK
Unchanged
TC
Unchanged
Output Pins
FINTR
Unchanged (low)
DB[0:7]
Unchanged
FDRQ
Unchanged (low)
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