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CHAPTER 5. MAJOR PART DRAWING
[1] Function Table Of IC
IC1 RH-IXA311AW00 : System Microcomputer ( 1/4 )
Pin
No.
NAME
Input/
Output
Type Description
1 H/P-SW Input CMOS Input /
Output
HEADPHONE IN DETECTION SWITCH
H : IN , L : OUT
P3_3 / SSI
2 TUN_SDA / DAP_SDA Input / Output CMOS Input /
Output
TUNER/DAP DATA I2C BUS LINE
P3_4 / SDA / SCS
3 MODE Input Input CONNECT THIS PIN TO VCC VIA A RESISTOR
MODE
4 XCIN Input CMOS Input /
Output
32.768kHz CRYSTAL (SUB CLOCK)
P4_3 / XCIN
5 XCOUT Output CMOS Input /
Output
32.768kHz CRYSTAL (SUB CLOCK)
P4_4 / XCOUT
6 RESET Input Input RESET INPUT. ACTIVE "L"
CONNECT TO WRITER RESET LINE DURING FLASH
RESET
7 XOUT Output Input 8MHz CERAMIC OSCILLATOR (MAIN CLOCK)
P4_7 / XOUT
8 VSS -- -- GROUND
VSS / AVSS
9 XIN Input Input 8MHz CERAMIC OSCILLATOR (MAIN CLOCK)
P4_6 / XIN
10 VCC -- -- 3.3V SUPPLY
VCC / AVCC
11 DAP_RST Output CMOS Input /
Output
DAP RESET CONTROL
H : NORMAL , L : RESET
P5_4 / TRCIOD
12 DAP_PWDN Output CMOS Input /
Output
DAP POWER DOWN CONTROL
H : NORMAL , L : POWER DOWN
P5_3 / TRCIOC
13 DAP_MUTE Output CMOS Input /
Output
DAP MUTE CONTROL
H : OFF , L : ON
P5_2 / TRCIOB
14 +12V_EN Output CMOS Input /
Output
12V SUPPLY CONTROL
P5_1 / TRCIOA / TRCTRG
15 DSEL_OE Output CMOS Input /
Output
D+/D- BUS SELECTOR OUTPUT ENABLE
H : DISCONNECT , L : CONNECT
P5_0 / TRCCLK
16 FL_CS Output CMOS Input /
Output
FL DRIVER CHIP SELECT OUTPUT
P2_7 / TRDIOD1
17 FL_RESET Output CMOS Input /
Output
FL DRIVER RESET
P2_6 / TRDIOC1
18 iPod_DET Input CMOS Input /
Output
iPod IN DETECTION
L : IN , H : OUT
P2_5 / TRDIOB1
19 FAULT Input CMOS Input /
Output
CURRENT LIMITTER IC ERROR DETECT
P2_4 / TRDIOA1
20 I_SW Output CMOS Input /
Output
VBUS CONTROL SWITCH FOR IPOD CHARGING
H: iPod , L : OTHER
P2_3 / TRDIOD0
21 U_SW Output CMOS Input /
Output
VBUS CONTROL SWITCH FOR USB CHARGING
H: USB , L : OTHER
P2_2 / TRDIOC0
22 FW_UPD_STA Input CMOS Input /
Output
FIRMWARE UPDATE STATUS
P2_1 / TRDIOB0
23 DSEL_S Output CMOS Input /
Output
D+/D- BUS SELECTOR CONTROL
H : iPod , L : USB
P2_0 / TRDIOA0 / TRDCLK
24 RX_IN Input CMOS Input /
Output
REMOCON SENSOR INPUT
P1_7 / TRAIO / INT1
25 FL_SCK Output CMOS Input /
Output
FL DRIVER CLOCK OUTPUT
P1_6 / CLK0
26 FW_UPD_PRO Input CMOS Input /
Output
FIRMWARE UPDATE PROGRESS
P1_5 / RXD0 / (TRAIO) /
(INT1)
27 FL_SDATA Output CMOS Input /
Output
FL DRIVER DATA OUTPUT
P1_4 / TXD0