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HT1632C Datasheet(PDF) 21 Page - Holtek Semiconductor Inc

Part # HT1632C
Description  32x8 & 24x16 LED Driver
PDF  24 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT1632C Datasheet(HTML) 21 Page - Holtek Semiconductor Inc

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Command Summary
Name
ID
Command Code
D/C
Function
Default
READ
110 A6A5A4A3A2A1A0D0D1D2D3
D
Read data from the RAM
WRITE
101 A6A5A4A3A2A1A0D0D1D2D3
D
Write data to the RAM
READ-MODIFY-
WRITE
101 A6A5A4A3A2A1A0D0D1D2D3
D
Read and Write data to the RAM
SYS DIS
100 0000-0000-X
C
Turn off both system oscillator and LED duty
cycle generator
Yes
SYS EN
100 0000-0001-X
C
Turn on system oscillator
LED Off
100 0000-0010-X
C
Turn off LED duty cycle generator
Yes
LED On
100 0000-0011-X
C
Turn on LED duty cycle generator
BLINK Off
100 0000-1000-X
C
Turn off blinking function
Yes
BLINK On
100 0000-1001-X
C
Turn on blinking function
SLAVE Mode
100 0001-0XXX-X
C
Set slave mode and clock source from external clock, the
system clock input from OSC pin and synchronous signal
input from SYN pin
RC Master
Mode
100 0001-10XX-X
C
Set master mode and clock source from on-chip RC os-
cillator, the system clock output to OSC pin and synchro-
nous signal output to SYN pin
Yes
EXT CLK
Master Mode
100 0001-11XX-X
C
Set master mode and clock source from external clock,
the system clock input from OSC pin and synchronous
signal output to SYN pin
COM Option
100 0010-abXX-X
C
ab=00: N-MOS open drain output and
8 COM option
ab=01: N-MOS open drain output and
16 COM option
ab=10: P-MOS open drain output and
8 COM option
ab=11: P-MOS open drain output and
16 COM option
ab
=00
PWM Duty
100 101X-0000-X
C
PWM 1/16 duty
100 101X-0001-X
C
PWM 2/16 duty
100 101X-0010-X
C
PWM 3/16 duty
100 101X-0011-X
C
PWM 4/16 duty
100 101X-0100-X
C
PWM 5/16 duty
100 101X-0101-X
C
PWM 6/16 duty
100 101X-0110-X
C
PWM 7/16 duty
100 101X-0111-X
C
PWM 8/16 duty
100 101X-1000-X
C
PWM 9/16 duty
100 101X-1001-X
C
PWM 10/16 duty
100 101X-1010-X
C
PWM 11/16 duty
100 101X-1011-X
C
PWM 12/16 duty
100 101X-1100-X
C
PWM 13/16 duty
100 101X-1101-X
C
PWM 14/16 duty
100 101X-1110-X
C
PWM 15/16 duty
100 101X-1111-X
C
PWM 16/16 duty
Yes
HT1632C
Rev. 1.20
21
June 28, 2011



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