TC62D723FTAG_15 Datasheet, PDF (2/44 Pages) Marktech Corporate – 16-Output constant current LED driver

3.Block Diagram
TC62D723FTAG
OUT0 OUT1 ^{▪▪▪▪▪▪▪▪▪▪} OUT15
PWMCLK
Error detection result
data register
16
16 ^{Output open/short detection circuit}
POR
circuit
S0 (S1)
S1
S2
S3 (S1)
S4
S5 (S6)
PWM
countor
Constant current output circuit
16
Output delay circuit
0-bit
15-bit
TSD
Output ON/OFF setting data register _circuit
Reference
voltage
8-bit
DAC
8
VDD
GND
REXT
TRANS
SIN
SCK
POD
circuit
Command
control
circuit
16
16
16
16-bit
PWM Data
for OUT0
PWM data registor
16-bit _▪▪^R_▪▪^e_▪^g_▪ⁱ_▪^s_▪^t_▪^o_▪^r_▪³_▪▪ 16-bit
PWM Data ^{（for output）} PWM Data
for OUT1
for OUT15
16
16 _{Registor 2}
16
16-bit
16-bit _{▪▪▪▪▪▪▪▪▪▪▪▪▪} 16-bit
PWM Data PWM Data^{（for synchronous）} PWM Data
16 _{for OUT0} 16 _{for OUT1}
16 _{for OUT15}
16
6 ビット
16
6 ビット
16
6 ビット
16-bit
16-bit
Registor 1
16-bit
PWM Data PWM Data ▪▪▪▪▪▪▪▪▪▪▪▪▪ PWM Data
16 for OUT0 for OUT1
for OUT15
16
16
16
Data transfer control circuit
16
16
0-bit
15-bit
16-bit shift registor
F/F
16-bit × 2
State setting
register
16
SOUT
selection
circuit
SOUT
2
2012-03-19