Sony HCD-SHAKE7 - Integrated Circuit Block Diagrams (Continued); LED Driver IC Block Diagram

HCD-SHAKE7
55
IC14 TC62D723FNG (MOTHERBOARD BOARD (9/10))
IC2601 TC62D723FNG (VOLUME BOARD)
Output open/short detection circuit
Error detection result
data register
Constant current output circuit
Output delay circuit
PWM
countor
POR
circuit
Reference
voltage
8-bit
DAC
16-bit x 2
State setting
register
SOUT
selection
circuit
F/F
TSD
circuit
POD
circuit
Output ON/OFF setting data register
PWM data registor
Data transfer control circuit
16-bit shift registor
Comparator
0-bit 15-bit
0-bit 15-bit
Registor 3
(for output)
Registor 2
(for synchronous)
Registor 1
16-bit
PWM Data
for OUT0
16-bit
PWM Data
for OUT0
16-bit
PWM Data
for OUT15
16-bit
PWM Data
for OUT15
16-bit
PWM Data
for OUT15
24 VDD
25 GND
1GND
23 REXT
22 SOUT
/OUT15
20
PWMCLK
21
/OUT0
5
/OUT1
6
TRANS
4
SIN
2
SCK
3
/OUT5
10
/OUT6
11
/OUT7
12
/OUT8
13
/OUT9 14
/OUT10
15
/OUT11
16
/OUT12
17
/OUT13
18
/OUT14
19
/OUT4
9
/OUT2
7
/OUT3
8
8
16 1616
16 1616
16
16
16
16
16-bit
PWM Data
for OUT1
16-bit
PWM Data
for OUT1
16-bit
PWM Data
for OUT0
16 1616
16
16
1616
16
16
16
16-bit
PWM Data
for OUT1
16 16
Command
control
circuit
Comparator Comparator