UPD72001-A8 NEC [NEC], UPD72001-A8 Datasheet - Page 6
![no-image](/images/no-image-200.jpg)
UPD72001-A8
Manufacturer Part Number
UPD72001-A8
Description
MULTI-PROTOCOL SERIAL CONTROLLERS
Manufacturer
NEC [NEC]
Datasheet
1.UPD72001-A8.pdf
(40 pages)
- Current page: 6 of 40
- Download datasheet (206Kb)
DTRB/DRQR
DTRA/DRQT
DRQR
DRQT
RESET
INTAK
D7-0
PRO
CLK
C/D
WR
B/A
INT
PRI
RD
X
X
X
X
A
A
B
B
System CLK
CLK/Stby
Interface
RD/WR
Cont.
Cont.
Cont.
Cont.
Cont.
DMA
Buf.
INT
DB
10-15
CR
0-5
R
Cont.
T
Sign.
X
X
CLK
CLK
BRG
BRG
-H,L
T
X
R
Cont.
X
T
CLK
X
OSC
R
X
Internal Bus
12-15
DPLL
CLK
Ch.A
SR
Ch.B
CR/SR
8-9
T
X
R
X
Cont.
0-3
SR1-4
10-11
SR0
4-7
Receiver
Buf.
R
X
CR
6-7
Transmitter
Buf.
T
X
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