am85c30 Advanced Micro Devices, am85c30 Datasheet - Page 3

• Manufacturer Part Number: am85c30
• Description: Enhanced Serial Communications Controller
• Manufacturer: Advanced Micro Devices

DTR/REQA
CONNECTION DIAGRAMS
Top View
Note:
Pin 1 is marked for orientation.
LOGIC SYMBOL
W/REQA
INTACK
SYNCA
RTxCA
TRxCA
DCDA
RxDA
RTSA
CTSA
PCLK
TxDA
IEO
+5 V
INT
IEI
D
D
D
D
1
3
5
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Am85C30
DIP
Bus Timing
and Reset
Data
Bus
Interrupt
Control
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
8
CE
GND
W/REQB
D
D
D
D
RD
WR
A/B
SYNCB
RTxCB
RxDB
TRxCB
TxDB
DTR/REQB
RTSB
CTSB
DCDB
10216F-2
D/C
0
2
4
6
INT
INTACK
IEI
IE0
D
RD
WR
A/B
CE
D/C
7
–D
+5 V GND
0
W/REQA
INTACK
SYNCA
TRxCA
RTxCA
RxDA
TxDA
+5 V
IEO
NC
Am85C30
IEI
DTR/REQB
DTR/REQA
W/REQB
W/REQA
7
8
9
10
11
13
14
15
16
17
12
SYNCB
SYNCA
TRxCA
RTxCA
TRxCB
RTxCB
PCLK
DCDB
DCDA
RTSB
CTSB
18
RxDA
RTSA
CTSA
RxDB
TxDA
TxDB
6
19 20 21 22
5 4
3 2
PLCC, LCC
Serial
Data
Channel
Clocks
Channel
Controls
for
Modem,
DMA, or
Other
Serial
Data
Channel
Clocks
Channel
Controls
for
Modem,
DMA, or
Other
23 24 25 26
1 44 43 42
10216F-4
27 28
41 40
39
38
37
36
35
33
32
31
30
29
34
A/B
CE
D/C
GND
RxDB
TRxCB
NC
W/REQB
SYNCB
RTxCB
TxDB
AMD
10216F-3
3