Sony ICD-R100PC Service Manual page 14

IC503 XC6372C381PR
SLOW
START
REFERENCE
VOLTAGE
NC 1
VDD
PHASE
COMPARATOR
VOUT 2
–
+
CHIP
CE
3
ENABLE
IC Block Diagrams (DIGITAL SECTION)
r
IC702 TC7S08FU (TE85R)
5 VCC
IN B
1
4 OUT Y
2
IN A
GND 3
IC706 RS5C348A-E2
32 kHz
32KOUT
1
OUTPUT
CONTROL
SCLK
2
SO
3
I/O
CONTROL
SI 4
VSS 5
VLX
LIMITER
PWM/PFM
BUFFER
CONTROL
OSC 100kHz
ALARM W REGISTER
COMPARATOR
(WEEK, MIN, HOUR)
W
ALARM D REGISTER
COMPARATOR
(MIN, HOUR)
D
TIMER COUNTER
SEC, MIN, HOUR, WEEK,
DIV
DAY, MONTH, YEAR
ADDRESS
ADDRESS
DECODER
REGISTER
SHIFT
INTERRUPT
REGISTER CONTROL
VOLTAGE
DETECT
5 VSS
4 LX
VDD
DIVIDER
OSC
CORRECTION
OSC
DETECT
– 22 –
10 VDD
9 OSCIN
8 OSCOUT
CE
7
6 INTR