Block Diagram - Epson 0C88832 Technical Manual

1.3 Block Diagram

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