SST89V54RD2 Silicon Storage Technology, Inc., SST89V54RD2 Datasheet - Page 7

• Manufacturer Part Number: SST89V54RD2
• Description: Flashflex51 Mcu
• Manufacturer: Silicon Storage Technology, Inc.

FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
2.0 PIN ASSIGNMENTS
©2007 Silicon Storage Technology, Inc.
FIGURE
FIGURE
(CEX2 / MOSI) P1.5
(CEX3 / MISO) P1.6
(CEX4 / SCK) P1.7
(CEX1 / SS#) P1.4
(T2 EX) P1.1
(INT0#) P3.2
(INT1#) P3.3
(CEX0) P1.3
(WR#) P3.6
(RXD) P3.0
(TXD) P3.1
(RD#) P3.7
(ECI) P1.2
(T2) P1.0
(T0) P3.4
(T1) P3.5
XTAL2
XTAL1
2-3: Pin Assignments for 44-lead PLCC
2-1: Pin Assignments for 40-pin PDIP
RST
V SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
(CEX2 / MOSI) P1.5
(CEX3 / MISO) P1.6
40-pin PDIP
(CEX4 / SCK) P1.7
Top View
(INT0#) P3.2
(INT1#) P3.3
(RXD) P3.0
INT2#/P4.3
(TXD) P3.1
(T0) P3.4
(T1) P3.5
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
RST
1255 40-pdip PI P1.0
V DD
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)
7
8
9
10
11
12
13
14
15
16
17
18 19 20 21 22 23 24 25 26 27 28
6
5
4
3
44-lead PLCC
Top View
2 1 44 43 42 41 40
7
(CEX2 / MOSI) P1.5
(CEX3 / MISO) P1.6
(CEX4 / SCK) P1.7
FIGURE
(INT0#) P3.2
(INT1#) P3.3
(RXD) P3.0
INT2#/P4.3
(TXD) P3.1
(T1) P3.5
(T0) P3.4
RST
39
38
37
36
35
34
33
32
31
30
29
2-2: Pin Assignments for 44-lead TQFP
1
2
3
4
5
6
7
8
9
10
11
1255 44-plcc NJ P3.0
44 43 42 41 40 39 38 37 36 35 34
12 13 14 15 16 17 18 19 20 21 22
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA#
P4.1
ALE/PROG#
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
PSEN#
44-lead TQFP
Top View
S71255-10-000
33
32
31
30
29
28
27
26
25
24
23
1255 44-tqfp TQJ P2.0
Data Sheet
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA#
P4.1
ALE/PROG#
PSEN#
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
12/07