SM59364 Datasheet, PDF (4/19 Pages) SyncMOS Technologies,Inc – 8-Bits Micro-controller

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
H
i
Reset
5
P3.0/RXD
i/o
bit 0 of port 3 & Receiver data
6
P3.1/TXD
i/o
bit 1 of port 3 & Transmit data
7
P3.2/#INT0
L/-
i/o
bit 2 of port 3 & low true interrupt 0
8
P3.3/#INT1
L/-
i/o
bit 3 of port 3 & low true interrupt 1
9
P3.4/T0
i/o
bit 4 of port 3 & Timer 0
10
P3.5/T1
i/o
bit 5 of port 3 & Timer 1
11
P3.6/#WR
i/o
bit 6 of port 3 & ext. memory write
12
P3.7/#RD
i/o
bit 7 of port 3 & ext. memory read
13
XTAL2
o
Crystal out
14
XTAL1
i
Crystal in
15
VSS
Sink Voltage, Ground
16
P2.0/A8
i/o
bit 0 of port 2 & bit 8 of ext. memory address
17
P2.1/A9
i/o
bit 1 of port 2 & bit 9 of ext. memory address
18
P2.2/A10
i/o
bit 2 of port 2 & bit 10 of ext. memory address
19
P2.3/A11
i/o
bit 3 of port 2 & bit 11 of ext. memory address
20
P2.4/A12
i/o
bit 4 of port 2 & bit 12 of ext. memory address
21
P2.5/A13
i/o
bit 5 of port 2 & bit 13 of ext. memory address
22
P2.6/A14
i/o
bit 6 of port 2 & bit 14 of ext. memory address
23
P2.7/A15
i/o
bit 7 of port 2 & bit 15 of ext. memory address
24
#PSEN
L
o
program storage enable
25
ALE
-
o
address latch enable
26
#EA
L
I
external access
27
P0.7/AD7
i/o
bit 7 of port 0 & data/address bit 7 of ext. memory
28
P0.6/AD6
i/o
bit 6 of port 0 & data/address bit 6 of ext. memory
29
P0.5/AD5
i/o
bit 5 of port 0 & data/address bit 5 of ext. memory
30
P0.4/AD4
i/o
bit 4 of port 0 & data/address bit 4 of ext. memory
31
P0.3/AD3
i/o
bit 3 of port 0 & data/address bit 3 of ext. memory
32
P0.2/AD2
i/o
bit 2 of port 0 & data/address bit 2 of ext. memory
1
P0.1/AD1
i/o
bit 1 of port 0 & data/address bit 1 of ext. memory
2
P0.0/AD0
i/o
bit 0 of port 0 & data/address bit 0 of ext. memory
3
VDD
Drive Voltage
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
4
Ver B SM59364 04/2008