st2064b Sitronix Technology Corporation, st2064b Datasheet - Page 5

• Manufacturer Part Number: st2064b
• Description: 8 Bit Microcontroller With 64k Bytes Rom
• Manufacturer: Sitronix Technology Corporation

6
Note: I = input, O = output, I/O = input/output, P = power.
Ver. 3.0
6
.
.
P
P
A
A
Pin No.
67~74
75~82
83~26
55~61
35~42
27~34
44,43
47,48
65,64
D
54
46
49
50
51
52
53
62
63
66
45
46
D
D
D
E
E
S
S
C
C
OSCXO, OSCXI
PSGOB,PSGO
R
R
SEG32/PC0~
SEG40/PB0~
Designation
SEG47/PB7
SEG39/PC7
COM8/~15
PA0 / INTX
SEG0~31
COM0~7
I
I
RESET
PA1~7
P
PVDD
CAP1+
V2~V3
P
CAP1-
OSCI
PVDD
GND
TEST
VDD
XIO
VP
T
T
I
I
O
O
N
N
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
P
P
P
P
P
I
I
I
I
I
I
I
I
LCD common drive output pins, drives 0~7
LCD segment drive output pins, drives 0~31
LCD common drive output pins, drives 8~15
Common open drain output port.
PSG/ PWM DAC Outputs
Multi-level power supply for the liquid crystal drive
- Port-A bit programmable I/O
- Edge-trigger Interrupt.
- Transition-trigger Interrupt
- Programmable Timer1 clock source
- Port-A bit programmable I/O
- Transition-trigger Interrupt
- Port-B bit programmable I/O
- LCD segment drives 40~47
- Port-C bit programmable I/O
- LCD segment drives 32~39
Low frequency crystal oscillator I/O pins. Connect to external 32768 Hz
crystal.
Reset signal input (low active)
- RC oscillator input pin. Connected to external resistor
- High frequency crystal/resonator oscillator input pin. Connect to external
- NC
- High frequency crystal/resonator oscillator output pin. Connect to external
Ground pin
Power supply pin
Connect to booster capacitor positive(+) terminal
Connect to booster capacitor negative(-) terminal
Voltage output of booster circuit
Chip test function. Leave it open.
PSG Power
PSG Power supply pin
crystal/resonator.
crystal/resonator.
5/57
Description
ST2064B
5/8/09