E0C88832/88862 TECHNICAL MANUAL
EPSON
3
1 INTRODUCTION
1.3 Block Diagram
Core CPU E0C88
Interrupt Controller
Input Port
Oscillator
OSC1, 2
OSC3, 4
Reset/Test
RESET
TEST
Watchdog Timer
K00–K07
K10 (EVIN)
I/O Port
Serial Interface
Output Port
Programmable Timer
/Event Counter
Clock Timer
Stopwatch Timer
Power Generator
V
DD
V
SS
V
D1
V
OSC
V
C1
–V
C5
Supply Voltage Detector
RAM
1.5KB
LCD Driver
ROM
60KB
P10 (SIN)
P11 (SOUT)
P12 (SCLK)
P13 (SRDY)
R26 (TOUT
*
)
R50 (BZ)
R27 (TOUT)
R51 (BZ
*
)
Sound Generator
SEG0–SEG40
COM16–COM31 (SEG66–SEG51)
COM0–COM15
P14–P17
CA–CG
∗
Selectable by mask option
E0C88832
Fig. 1.3.1 E0C88832 block diagram
E0C88862
Fig. 1.3.2 E0C88862 block diagram
Core CPU E0C88
Interrupt Controller
Input Port
Oscillator
OSC1, 2
OSC3, 4
Reset/Test
Watchdog Timer
K00–K07
K10 (EVIN)
I/O Port
Serial Interface
Output Port
Programmable Timer
/Event Counter
Clock Timer
Stopwatch Timer
Power Generator
Supply Voltage Detector
RAM
1.5KB
LCD Driver
ROM
32KB
P10 (SIN)
P11 (SOUT)
P12 (SCLK)
P13 (SRDY)
Sound Generator
SEG0–SEG50
COM16–COM31 (SEG66–SEG51)
COM0–COM15
P14–P17
R26 (TOUT
*
)
R34 (FOUT)
R50 (BZ)
R27 (TOUT)
R51 (BZ
*
)
∗
Selectable by mask option
RESET
TEST
V
DD
V
SS
V
D1
V
OSC
V
C1
–V
C5
CA–CG
Содержание 0C88832
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