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: 91/164页
文件大小: 621K
代理商: 37C669
32
Model 30 Mode
BITS 0 - 1 DATA RATE SELECT
These bits control the data rate of the floppy
controller.
See Table 13 for the settings
corresponding to the individual data rates. The
data rate select bits are unaffected by a
software reset, and are set to 250kb/s after a
hardware reset.
BIT 2 NOPREC
This bit reflects the value of NOPREC bit set in
the CCR register.
BIT 3 DMAEN
This bit reflects the value of DMAEN bit set in
the DOR register bit 3.
BITS 4 - 6 UNDEFINED
Always read as a logic "0"
BIT 7 DSKCHG
This bit monitors the pin of the same name and
reflects the opposite value seen on the pin.
7
6
5
4
3
2
1
0
DSK
CHG
0
DMAEN NOPREC DRATE
SEL1
DRATE
SEL0
RESET
COND.
N/A
0
1
0
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