點晶科技股份有限公司
ST2225A
SILICON TOUCH TECHNOLOGY INC.
Block Diagram
OUT35
30
OUT1
19
VDD
BRIGHTNESS
CONTROL
22
21
35 OUTPUT BUFFERS
35 LATCHES
LOAD
29
DATA ENABLE
SERIAL DATA
35-BIT SHIFT
REGISTERS
28
27
20
RESET
RESET
1,13,36
CLOCK
Figure 1
Connection Diagram : SSOP48 Package
VSS
1
2
OUTPUT BIT18
OUTPUT BIT19
OUTPUT BIT20
OUTPUT BIT21
OUTPUT BIT22
OUTPUT BIT23
OUTPUT BIT24
OUTPUT BIT25
OUTPUT BIT26
OUTPUT BIT27
OUTPUT BIT28
OUTPUT BIT29
VSS
48
43
37
36
OUTPUT BIT17
OUTPUT BIT16
OUTPUT BIT15
3
4
OUTPUT BIT14
OUTPUT BIT13
OUTPUT BIT12
5
6
7
OUTPUT BIT11
OUTPUT BIT10
OUTPUT BIT 9
OUTPUT BIT 8
OUTPUT BIT 7
VSS
8
9
10
11
12
13
OUTPUT BIT 6
OUTPUT BIT 5
OUTPUT BIT 4
OUTPUT BIT3
OUTPUT BIT 2
OUTPUT BIT 1
RESET
14
15
16
17
18
19
20
OUTPUT BIT30
OUTPUT BIT31
OUTPUT BIT32
OUTPUT BIT33
OUTPUT BIT34
OUTPUT BIT35
DATA ENABLE
32
BRIGHTNESS CONTROL
VDD
21
22
23
24
DATA
CLOCK
N/A
26
25
N/A
N/A
N/A
Figure 2
LED Display Driver
-2-
Version：A.025
SITI [ SILICON TOUCH TECHNOLOGY INC. ]
