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FDC37C78-HT 데이터시트(PDF) 60 Page - Microchip Technology

부품명 FDC37C78-HT
상세설명  Floppy Disk Controller
PDF  82 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

FDC37C78-HT 데이터시트(HTML) 60 Page - Microchip Technology

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Table 30 - PC/AT Available Registers
Available Registers
Base + Address
PC-AT
Access Permitted
Access to these registers DOES NOT wake up the part
00H
----
R
01H
----
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 31 - 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
IRQ
Unchanged (low)
DB[0:7]
Unchanged
FDRQ
Unchanged (low)



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