st2064b Sitronix Technology Corporation, st2064b Datasheet - Page 49
st2064b
Manufacturer Part Number
st2064b
Description
8 Bit Microcontroller With 64k Bytes Rom
Manufacturer
Sitronix Technology Corporation
Datasheet
1.ST2064B.pdf
(57 pages)
- Current page: 49 of 57
- Download datasheet (895Kb)
Ver. 3.0
VDD
Clock
LCD
I/O
ALARM
KEYBOARD
47K
… … …
16 x 8
47K
FIGURE 19-2
BUZZER
CONNECTS TO GND.
SUBSTRATE
: 32768Hz crystal and 2.0MHz RC oscillator
: 1/16 duty
: 3V
: PORT A
: PSGO, PSGOB
100
0.1uF
APPLICATION CIRCUIT WITH LCD KEYBOARD AWAKING PULSE
PSG1
PSG0
PA0
PA7
RESET
:
:
:
SEG[0]
SEG[0]
CAP1+ CAP1-
0.1uF
- - -
- - -
SEG[32]
SEG[32]
/PC[0]
48 x 16 LCD
VDD
ST2064B
VP
- - -
- - -
PANEL
0.1uF
49/57
SEG[47]
SEG[47]
/PB[7]
V2
0.1uF 0.1uF
COM[0]
COM[0]
V3
- - -
- - -
COM[15]
COM[15]
Note:
OSCXO
OSCXI
OSCI
1.
2.
VDD
GND
COMs and SEGs output GND level,
while the LCD is turned off.
If LCD is turned off, Keyboard Awaking
Pulses must be turned off at the same
time.
100pF
32768Hz
VDD
15pF
15pF
0.1uF
4.7uF
ST2064B
5/8/09
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