SST89E52RC Просмотр технического описания (PDF) - Silicon Storage Technology
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SST89E52RC Datasheet PDF : 57 Pages
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Data Sheet
2.0 PIN ASSIGNMENTS
FlashFlex MCU
SST89E52RC / SST89E54RC
FIGURE
(T2) P1.0
(T2 EX) P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
(RXD) P3.0
(TXD) P3.1
(INT0#) P3.2
(INT1#) P3.3
(T0) P3.4
(T1) P3.5
(WR#) P3.6
(RD#) P3.7
XTAL2
XTAL1
VSS
1
40
2
39
3
38
4
37
5
36
6
35
7 40-pin PDIP 34
8 Top View 33
9
32
10
31
11
30
12
29
13
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
2-1: Pin Assignments for 40-pin PDIP
VDD
P0.0 (AD0)
P0.1 (AD1)
P0.2 (AD2)
P0.3 (AD3)
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA#
ALE/PROG#
PSEN#
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
P2.4 (A12)
P2.3 (A11)
P2.2 (A10)
P2.1 (A9)
P2.0 (A8)
1259 40-pdip PI P1.1
P1.5
P1.6
P1.7
RST
(RXD) P3.0
NC
(TXD) P3.1
(INT0#) P3.2
(INT1#) P3.3
(T0) P3.4
(T1) P3.5
6 5 4 3 2 1 44 43 42 41 40
7
39
8
38
9
37
10
36
11
44-lead PLCC
35
12
Top View
34
13
33
14
32
15
31
16
30
17
29
18 19 20 21 22 23 24 25 26 27 28
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA#
NC
ALE/PROG#
PSEN#
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
FIGURE 2-2: Pin Assignments for 44-lead PLCC
©2007 Silicon Storage Technology, Inc.
6
1259 44-plcc NJ P3.1
S71259-04-000
1/07
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