tb62719af TOSHIBA Semiconductor CORPORATION, tb62719af Datasheet - Page 14

• Manufacturer Part Number: tb62719af
• Description: 16ch Constant Current Drivers And Controller For Full-color Led Modules And Panels
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Serial Data Transfer: Dot Adjustment DAC4.
Serial Data Transfer Timing
(dot adjustment, SI SEL = L, single device)
Serial Data Transfer Timing
(dot adjustment, SI SEL = L, two devices connected in cascade)
Process SI DATA
(1
(1
SI LATCH
SI LATCH
SO DATA
SO DATA
st
st
SI DATA
SI DATA
1
2
SI CLK
SI CLK
RESET
SI SEL
RESET
SI SEL
device)
device)
H or L
Indicates undefined logic state
after reset and before input.
Indicates undefined logic state
after reset and before input.
Dot adjustment data for
OUT15 (1
Dot adjustment data for
OUT15 (1
These pairs of bits are “Don’t care”.
SI CLK
( × 128)
Data reset by
Data reset by
st
st
L
device).
device).
SI LATCH
These pairs of bits are “don’t care”.
( × 1)
RESET
RESET
L
Dot adjustment data for
OUT00 (1
Dot adjustment data for
OUT00 (1
SO DATA is synchronized with 128
cycle after reset, and the first data is out.
= L
= L
SI SEL
L
L
st
st
device).
device).
No change
SO DATA
14
H or L
(data register SI REG1 [127:0])
SO DATA is synchronized with 128
cycle after reset, and the first data is out.
Dot adjustment data for
OUT15 (2
Data held on positive edge of SI LATCH after data
transfer by single device (after 128 clock cycles)
Selects dot adjustment (128 bits) for input data. Data is
transferred to SI REG2 on 128
Holds the data transferred to SI REG2 on positive edge
of SI Latch.
Set is reflected on dot adjustment from the moment
when it is held.
Data held on positive edge of SI LATCH after data
transfer by two devices (after 256 clock cycles)
nd
device).
th
clock
Operation and Function
Dot adjustment data for
OUT00 (2
th
clock
th
positive edge of SI CLK.
nd
TB62719AF
device).
2004-05-12