SyncMOS Technologies International, Inc.
SM59364
8-Bits Micro-controller
64KB ISP flash & 1KB RAM embedded
Pin Description
32L
PLCC
Pin#
Symbol
Active
I/O
Names
4
RES
P3.0/RXD
P3.1/TXD
P3.2/#INT0
P3.3/#INT1
P3.4/T0
H
i
Reset
5
i/o
i/o
i/o
i/o
i/o
i/o
i/o
i/o
o
bit 0 of port 3 & Receiver data
bit 1 of port 3 & Transmit data
6
7
L/-
L/-
bit 2 of port 3 & low true interrupt 0
bit 3 of port 3 & low true interrupt 1
bit 4 of port 3 & Timer 0
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
1
P3.5/T1
bit 5 of port 3 & Timer 1
P3.6/#WR
P3.7/#RD
XTAL2
bit 6 of port 3 & ext. memory write
bit 7 of port 3 & ext. memory read
Crystal out
XTAL1
i
Crystal in
VSS
Sink Voltage, Ground
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
#PSEN
i/o
i/o
i/o
i/o
i/o
i/o
i/o
i/o
o
bit 0 of port 2 & bit 8 of ext. memory address
bit 1 of port 2 & bit 9 of ext. memory address
bit 2 of port 2 & bit 10 of ext. memory address
bit 3 of port 2 & bit 11 of ext. memory address
bit 4 of port 2 & bit 12 of ext. memory address
bit 5 of port 2 & bit 13 of ext. memory address
bit 6 of port 2 & bit 14 of ext. memory address
bit 7 of port 2 & bit 15 of ext. memory address
program storage enable
L
-
ALE
o
address latch enable
#EA
L
I
external access
P0.7/AD7
P0.6/AD6
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
VDD
i/o
i/o
i/o
i/o
i/o
i/o
i/o
i/o
bit 7 of port 0 & data/address bit 7 of ext. memory
bit 6 of port 0 & data/address bit 6 of ext. memory
bit 5 of port 0 & data/address bit 5 of ext. memory
bit 4 of port 0 & data/address bit 4 of ext. memory
bit 3 of port 0 & data/address bit 3 of ext. memory
bit 2 of port 0 & data/address bit 2 of ext. memory
bit 1 of port 0 & data/address bit 1 of ext. memory
bit 0 of port 0 & data/address bit 0 of ext. memory
Drive Voltage
2
3
Special Function Register (SFR)
The address $80 to $FF can be accessed by direct addressing mode only.
Address $80 to $FF is SFR area.
The following table lists the SFRs which are identical to general 8052 as well as SM59364 Extension SFRs .
Specifications subject to change without notice contact your sales representatives for the most recent information.
IDMMX-0033
Ver B SM59364 04/2008
4
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
