ST2226A SiTi, ST2226A Datasheet - Page 6

• Manufacturer Part Number: ST2226A
• Description: PWM-Controlled Constant Current Driver
• Manufacturer: SiTi

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Pin Description
CMD[2:0] SDIP/SOP:
DIN
DOUT
DCLK
GCLK
IOUT0-15 SDIP/SOP:
NAME
ST2226A
22, 23, 24
QFN:
30, 31, 32
SDIP/SOP:
25
QFN:
1
SDIP/SOP:
18
QFN:
24
SDIP/SOP:
20
QFN:
26
SDIP/SOP:
19
QFN:
25
27, 28, 1, 2
3, 4, 5, 6, 9,
10, 11, 12
13, 14, 15,
16
QFN:
3, 4, 5, 6, 9,
10, 15, 16,
17, 18, 19,
20, 21, 22
點晶科技股份有限公司
點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
點晶科技股份有限公司
點晶科技股份有限公司
PIN NO.
I/O
O Serial output for luminance data (time division mode-1/2).
O LED driver outputs.
I Encoded commands for data transfer, time division operation
I Serial input for luminance data (time division mode-1/2)
I Synchronous clock input for command and serial data
I Clock input for PWM operation.
and PWM display:
CMD[2:0]
display
display
CMD commands are latched at the rising edges of DCLK.
There is one DCLK latency between Shift-in command
latched and data shift-in.
transfer. The input data of DIN is synchronous to rising edges
of DCLK, and transferred to DOUT on falling edges of DCLK.
[000]: Mode-1 time division operation / No operation for
[001]: Mode-2 time division operation / No operation for
[010]: Data transfer enable (Shift-In)
[011]:
[100]: First LED emitting
[101]: Second LED emitting
[110]:
[111]:
Data latch strobe (Capture)
LED emitting disable / IOUT disable (Stop)
Test mode
Version ： ： ： ： A.010
Command
DESCRIPTION
Page ： ： ： ： 5
ST2226A