Sharp XL-HF201P Service Manual page 16

XL-HF201P
IC1 RH-IXA311AW00 : System Microcomputer ( 3/4 )
Pin
NAME
No.
57 LEVEL_DET
P0_5 / AN2 / CLK1
58 AREA
P0_6 / AN1 / DA0
59 VSS
VSS / AVSS
60 SYS_PROTECT
P0_7 / AN0 / DA1
61 VREF
VREF
62 VCC
VCC / AVCC
63 H/P-MUTE
P3_7 / SSO
64 TUN_SCL/DAP_SCL
P3_5 / SCL / SSCK
Input/
Type
Output
Input (A / D) CMOS Input /
Output
Input (A / D) CMOS Input /
Output
-- --
Input (A / D) CMOS Input /
Output
-- --
-- --
Output CMOS Input /
Output
Output CMOS Input /
Output
ANALOG AUDIO LEVEL INPUT A/D DETECTION
DESTINATION SETTING A/D INPUT
GROUND
SUPPLY ABNORMAL A/D DETECTION
A/D CONVERTER REFERENCE VOLTAGE SUPPLY
3.3V SUPPLY
HEADPHONE MUTE CONTROL
L : ON , H : OFF
TUNER/DAP CLOCK I2C BUS LINE
5 – 3
Description