OA87C21XX-42SD View Datasheet(PDF) - Hynix Semiconductor
Part Name
Description
View to exact match
OA87C21XX-42SD Datasheet PDF : 107 Pages
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2. BLOCK DIAGRAM
GMS81C2112/GMS81C2120
ADC Power
Supply
R07
R06
R05
R04
R03/BUZO
R02/EC0
R01/INT1
R00/INT0
R20~R27
R30~R34
Driver
R0
Buzzer
R2
R3
Vdisp/RA
RA
PSW
ALU
System controller
System
Clock Controller
Tim ing generator
C lo c k
G en e ra to r
8-bit Basic
Interval
T im e r
Watchdog
Timer
A
X
Y Stack Pointer
Interrupt Controller
PC
Data Memory
(448 bytes)
Program
Memory
Data Table
8-bit
Timer/
Counter
8-bit serial
Interface
10-bit
PWM
8-bit
ADC
PC
R5
R6
Power
Supply
High Voltage Port
R53 / SCLK
R54 / SIN
R55 / SOUT
R56 / PWM1O/T1O
R57
R60 / AN0
R61 / AN1
R62 / AN2
R63 / AN3
R64 / AN4
R65 / AN5
R66 / AN6
R67 / AN7
JUNE. 2001 Ver 1.00
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