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2 EPSON S1C63558 TECHNICAL MANUAL
CHAPTER 1: OUTLINE
1.2 Block Diagram
Fig. 1.2.1 Block diagram
OSC1
OSC2
OSC3
OSC4
COM0–7
SEG0–39
(SEG47–40
∗1
) COM8–16
VDD
VC1–5
CA–CC
VD1
VSS
SVD
K00–K03
K10–K13
TEST
RESET
P00–P03
P10–P13
P20–P23
P30–P33
R00–R03
R10–R13
R20–R23
∗1: Mask option
Core CPU S1C63000
ROM
8,192 words × 13 bits
System Reset
Control
Interrupt
Generator
OSC
RAM
5,120 words × 4 bits
Data ROM
2,048 words × 4 bits
LCD Driver
40 SEG × 17 COM
TONE
DP
Telephone
Function
AVDD
AVSS
TIP
RING
FB
BPOUT
CDIN
RDIN
RDRC
VREF
FSK
Demodulator
Power
Controller
SVD
Stopwatch
Timer
Clock
Timer
Programmable
Timer/Counter
Input Port
Serial
Interface (1)
Sound
Generator
Serial
Interface (2)
I/O Port
Output Port