Sony SA-CT291 서비스 매뉴얼 - 페이지 34
{카테고리_이름} Sony SA-CT291에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Sony SA-CT291 42 페이지. Sound bar and active speaker system
페이지 인쇄
HT-CT290/CT291
• IC Block Diagrams
IC4002 PST8429UL (TOUCH BOARD)
GND 1
VREF
+
–
4
OUT
VDD 2
3
CD
HT-CT290/CT291
• IC Pin Function Description
TOUCH BOARD IC4001 CY8CMBR3108-LQXIT (TOUCH KEY CONTROLLER)
Pin No.
Pin Name
I/O
1, 2
CS0/PS0, CS1/PS1
-
3
CMOD
-
4
VCC
O
5
VDDIO
-
6
VDD
-
7
VSS
-
8
CS4/GPO0
I/O
9
CS5/GPO1
I
10
CS6/GPO2
I
11
CS7/GPO3/SH
I
12
CS2/GUARD
I
13
CS3
I
14
I2C_SDA
I/O
15
I2C_SCL
I/O
16
HI/BUZ
O
34
34
Description
Fixed at "L" in this unit
External capacitor connection terminal
Internal regulator output terminal
Power supply terminal (+3.3V)
Power supply terminal (+3.3V)
Ground terminal
Touch key input/output terminal
Not used
VOL + touch key input terminal
VOL – touch key input terminal
PAIRING touch key input terminal
INPUT touch key input terminal
Power touch key input terminal
Two-way I2C serial data bus with system controller
Two-way I2C serial data transfer clock signal bus with system controller
Interrupt signal output to the system controller