SM89516L Просмотр технического описания (PDF) - SyncMOS Technologies,Inc
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SM89516L Datasheet PDF : 19 Pages
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SyncMOS Technologies Inc.
May 2001
SM89516
Pin Descriptions
40L
PDIP
Pin#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
44L
QFP
Pin#
40
41
42
43
44
1
2
3
4
5
7
8
9
10
11
12
13
14
15
16
18
19
20
21
22
23
24
25
26
27
29
30
31
32
33
34
35
36
37
38
17
28
39
6
44L
PLCC Symbol
Pin#
2 T2/P1.0
3 T2EX/P1.1
4 P1.2
5 P1.3
6 P1.4
7 P1.5
8 P1.6
9 P1.7
10 RES
11 RXD/P3.0
13 TXD/P3.1
14 #INT0/P3.2
15 #INT1/P3.3
16 T0/P3.4
17 T1/P3.5
18 #WR/P3.6
19 #RD/P3.7
20 XTAL2
21 XTAL1
22 VSS
24 P2.0/A8
25 P2.1/A9
26 P2.2/A10
27 P2.3/A11
28 P2.4/A12
29 P2.5/A13
30 P2.6/A14
31 P2.7/A15
32 #PSEN
33 ALE
35 #EA
36 P0.7/AD7
37 P0.6/AD6
38 P0.5/AD5
39 P0.4/AD4
40 P0.3/AD3
41 P0.2/AD2
42 P0.1/AD1
43 P0.0/AD0
44 VDD
23 P4.0
34 P4.1
1 P4.2
12 P4.3
Active I/O Names
i/o timer 2 clock out & bit 0 of port 1
i/o timer 2 control & bit 1 of port 1
i/o bit 2 of port 1
i/o bit 3 of port 1
i/o bit 4 of port 1
i/o bit 5 of port 1
i/o bit 6 of port 1
i/o bit 7 of port 1
H
i Reset
i/o Receive data & bit 0 of port 3
i/o Transmit data & bit 1 of port 3
L/ - i/o low true interrupt 0 & bit 2 of port 3
L/ - i/o low true interrupt 1 & bit 3 of port 3
i/o Timer 0 & bit 4 of port 3
i/o Timer 1 & bit 5 of port 3
L/ - i/o external memory write & bit 6 of port 3
L/ - i/o external memory read & bit 7 of port 3
o Crystal out
i Crystal in
Sink Voltage, Ground
i/o bit 0 of port 2 & bit 8 of external memory address
i/o bit 1 of port 2 & bit 9 of external memory address
i/o bit 2 of port 2 & bit 10 of external memory address
i/o bit 3 of port 2 & bit 11 of external memory address
i/o bit 4 of port 2 & bit 12 of external memory address
i/o bit 5 of port 2 & bit 13 of external memory address
i/o bit 6 of port 2 & bit 14 of external memory address
i/o bit 7 of port 2 & bit 15 of external memory address
L
o program storage enable
-
o address latch enable
L
i external access
i/o bit 7 of port 0 & data/address bit 7 of external memory
i/o bit 6 of port 0 & data/address bit 6 of external memory
i/o bit 5 of port 0 & data/address bit 5 of external memory
i/o bit 4 of port 0 & data/address bit 4 of external memory
i/o bit 3 of port 0 & data/address bit 3 of external memory
i/o bit 2 of port 0 & data/address bit 2 of external memory
i/o bit 1 of port 0 & data/address bit 1 of external memory
i/o bit 0 of port 0 & data/address bit 0 of external memory
Drive Voltage, +5 Vcc
i/o bit 0 of Port 4
i/o bit 1 of Port 4
i/o bit 2 of Port 4
i/o bit 3 of Port 4
Specifications subject to change without notice,contact your sales representatives for the most recent information.
4/19
Ver 1.3 PID 89516 05/01
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