No.
NAME
I/O
FUNCTION
20
RESET
I
RESET terminal ("L" active)
21
SCL
I
Clock for I2C-bus command
22
GND
-
GND (IOVSS)
23
GND
-
GND (IOVSS)
24
GND
-
GND (IOVSS)
UI flex connector
PinNo
Pin Name
Description
Voltage levels,
Current
Comment
1
GND
Ground
2
KEY C1
Column 1
2.8 V
3
KEY C2
Column 2
2.8 V
4
KEY C3
Column 3
2.8 V
5
KEY R3
Row 3
2.8 V
6
KEY R2
Row 2
2.8 V
7
KEY R1
Row 1
2.8 V
8
KEY R4
Row 4
2.8 V
9
GND
Ground
10
PWRONX
Power button
VBAT
11
GND
Ground
12
IHF L+
13
IHF L-
14
IHF R-
15
IHF R+
16
GND
Ground
17
GND
Ground
18
IND LED CTRL
Indication LED ctrl
signal
PWM modulated
19
GND
Ground
20
GND
Ground
RX-34
System Module
Issue 2
COMPANY CONFIDENTIAL
Page 9 –17
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