
S1C88348/317/316/308 TECHNICAL HARDWARE
EPSON
I-3
1 INTRODUCTION
1.3 Block Diagram
Fig. 1.3.1 S1C88348 block diagram
S1C88348
S1C88317
Fig. 1.3.2 S1C88317 block diagram
Core CPU S1C88
Interrupt Controller
System Controller
Input Port
MCU/MPU
Oscillator
OSC1, 2
OSC3, 4
BREQ (K11)
BACK (R51)
Reset/Test
RESET
TEST
Watchdog Timer
K00–K07
K10 (EVIN)
K11 (BREQ)
I/O Port
Serial Interface
External
Memory
Interface
Output Port
Programmable Timer
/Event Counter
Clock Timer
Stopwatch Timer
Power Generator
VDD
VSS
VD1
VC1–VC5
CA–CE
Supply Voltage Detector
Analog
Comparator
RAM
2K byte
EVIN (K10)
P00–P07 (D0–D7)
P14, P15 (CMPP0, CMPM0)
P16, P17 (CMPP1, CMPM1)
P10 (SIN)
P11 (SOUT)
P12 (SCLK)
P13 (SRDY)
R00–R07, R10–R17, R20–R22 (A0–A7, A8–A15, A16–A18)
R23, R24 (RD, WR)
R30–R33 (CE0–CE3)
R25, R26 (CL, FR)
R27 (TOUT)
R35–R37
R50 (BZ)
R51 (BACK)
Sound Generator
LCD Driver
SEG0–SEG50
COM16–COM31 (SEG66–SEG51)
COM0–COM15
ROM
48K byte
R34 (FOUT)
Core CPU S1C88
Interrupt Controller
System Controller
Input Port
MCU/MPU
Oscillator
OSC1, 2
OSC3, 4
BREQ (K11)
BACK (R51)
Reset/Test
RESET
TEST
Watchdog Timer
K00–K07
K10 (EVIN)
K11 (BREQ)
I/O Port
Serial Interface
External
Memory
Interface
Output Port
Programmable Timer
/Event Counter
Clock Timer
Stopwatch Timer
Power Generator
VDD
VSS
VD1
VC1–VC5
CA–CE
Supply Voltage Detector
Analog
Comparator
RAM
2K byte
EVIN (K10)
P00–P07 (D0–D7)
P14, P15 (CMPP0, CMPM0)
P16, P17 (CMPP1, CMPM1)
P10 (SIN)
P11 (SOUT)
P12 (SCLK)
P13 (SRDY)
R00–R07, R10–R17, R20–R22 (A0–A7, A8–A15, A16–A18)
R23, R24 (RD, WR)
R30–R33 (CE0–CE3)
R25, R26 (CL, FR)
R27 (TOUT)
R35–R37
R50 (BZ)
R51 (BACK)
Sound Generator
LCD Driver
SEG0–SEG50
COM16–COM31 (SEG66–SEG51)
COM0–COM15
ROM
16K byte
R34 (FOUT)