st2064b Sitronix Technology Corporation, st2064b Datasheet - Page 50

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

19.2 APPLICATION CIRCUIT UNDER 5V OPERATING VOLTAGE
Ver. 3.0
VDD
Clock
LCD
I/O
ALARM
KEYBOARD
16 x 8
BUZZER
CONNECTS TO GND.
FIGURE 19-3
SUBSTRATE
: 32768Hz crystal and 2.0MHz RC oscillator
: 1/16 duty
: 5V
: PORT A/B/C
: PSGO, PSGOB
100
0.1uF
PC0~PC7
PSG1
PSG0
RESET
PB0~PB7
PA0~PA7
APPLICATION CIRCUIT WITHOUT DC-DC CONVERTER
CAP1+ CAP1-
SEG[0]
SEG[0] - - - SEG[31]
- - -
32 x 16 LCD
SEG[31]
VDD
ST2064B
VP
PANEL
50/57
COM[0]
COM[0] - - - COM[15]
V2
0.1uF 0.1uF
- - -
V3
COM[15]
OSCXO
OSCXI
OSCI
VDD
GND
100pF
32768Hz
VDD
15pF
15pF
0.1uF
ST2064B
4.7uF
5/8/09