EM73MA89B
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
y
iminar
Prel
FUNCTION BLOCK DIAGRAM
RESET
CLK LXIN LXOUT
Reset
Control
Clock
Generator
Timing
Generator
Clock Mode
Control
System Control
Data pointer
BZ1/VO
BZ2
Speech
synthesizer
Interrupt
Control
Time
Base
Instruction Decoder
Instruction Register
ACC
Stack pointer
Stack
RAM
S
HR
LR
P0.0/WAKEUP0
P0.1/WAKEUP1
P0.2/WAKEUP2
P0.3/WAKEUP3
Data Bus
ALU
Flag
Z
C
HTC
Timer/Counter
(TA,TB)
ROM
PC
P4.0(RX)
P4.1
P4.2(RY)
P4.3(RZ)
VC1~VC4,
VA,VB
VR1~VR4
I/O Control
LCD Driver
* This specification are subject to be changed without notice.
P8.0(INT1)/WAKEUPA
P8.1(TRGB)/WAKEUPB
P8.2(INT0)/WAKEUPC
P8.3(TRGA)/WAKEUPD
P2,5,6,7/COM16~31
or SEG44~59
P1/SESG60~63
COM0~15
SEG0~43
10.15.2002 (V1.3)
2
EMC [ ELAN MICROELECTRONICS CORP ]
