EM73962AH Ver la hoja de datos (PDF) - ELAN Microelectronics
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EM73962AH Datasheet PDF : 35 Pages
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EM73962A
4-BIT MICROCONTROLLER
FUNCTION BLOCK DIAGRAM
RESET
CLK
Reset
Control
Clock
Generator
Timing
Generator
Interrupt
Control
Instruction Decoder
Instruction Register
Time
Base
Timer/Counter
(TA,TB)
ROM
PC
System Control
Data pointer
ACC
ALU
Flag
ZC S
Sleep Mode
Control
Stack pointer
Stack
ROM
HR LR
LCD Driver
SOUND GEN.
I/O Control
P0.0/WAKEUP0
P0.1/WAKEUP1
P0.2/WAKEUP2
P0.3/WAKEUP3
PIN DESCRIPTIONS
Symbol
VDD
Vss
RESET
Pin-type
RESET-A
CLK
OSC-C
P0.(0..3)/WAKEUP0..3 INPUT-B
P8.0(INT1)/WAKEUPA I/O-L
P8.2(INT0)/WAKEUPC
P8.1(TRGB)/WAKEUPB I/O-L
P8.3(TRGA)/WAKEUPD
SOUND
COM0~COM7
SEG0~SEG39
TEST
Function
Power supply (+)
Power supply (-)
System reset input signal, low active
mask option :
none
pull-up
RC or external clock source connecting pin
4-bit input port with Sleep/Hold releasing function
mask option :
wakeup enable, pull-up
wakeup enable, none
wakeup disable, pull-up
wakeup disable, pull-down
wakeup disable, none
2-bit bidirection I/O port with external interrupt sources input and Sleep
/Hold releasing function
mask option :
wakeup enable, push-pull
wakeup disable, push-pull
wakeup disable, open-drain
2-bit bidirection I/O port with time/counter A,B external input and Sleep
/Hold releasing function
mask option :
wakeup enable, push-pull
wakeup disable, push-pull
wakeup disable, open-drain
Built-in sound effect output
LCD common output pins
LCD segment output pins
No connecting for COB
* This specification are subject to be changed without notice.
10.8.2001 2
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