参数资料
型号: 37C669
厂商: 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: 电脑98/99顺从超级I / O软盘控制器与红外线支持
文件页数: 80/164页
文件大小: 621K
代理商: 37C669
22
PS/2 Model 30 Mode
BIT 0 nDRIVE SELECT 2
Active low status of the DS2 disk interface
output.
BIT 1 nDRIVE SELECT 3
Active low status of the DS3 disk interface
output.
BIT 2 WRITE GATE
Active high status of the latched WGATE output
signal.
This bit is latched by the active going
edge of WGATE and is cleared by the read of
the DIR register.
BIT 3 READ DATA
Active high status of the latched RDATA output
signal. This bit is latched by the inactive going
edge of RDATA and is cleared by the read of the
DIR register.
BIT 4 WRITE DATA
Active high status of the latched WDATA output
signal. This bit is latched by the inactive going
edge of WDATA and is cleared by the read of
the DIR register.
This bit is not gated with
WGATE.
BIT 5 nDRIVE SELECT 0
Active low status of the DS0 disk interface
output.
BIT 6 nDRIVE SELECT 1
Active low status of the DS1 disk interface
output.
BIT 7 nDRV2
Active low status of the DRV2 disk interface
input.
7
6
5
4
3
2
1
0
nDRV2
nDS1
nDS0
WDATA
F/F
RDATA
F/F
WGATE
F/F
nDS3
nDS2
RESET
COND.
N/A
1
0
1
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