
SA-WA10R
19
• IC Pin Function Description
MAIN (SW) BOARD IC602 μPD78F0526GB (S)-UET-A (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 KEY-WAKEUP I Key wake-up signal input terminal
2 I-AC CUT I AC cut on/off detection signal input terminal “H”: AC cut on
3 EEPROM-SDA I/O Two-way I2C data bus with the EEPROM
4 O-EEPROM-SCL O I2C clock signal output to the EEPROM
5 RESET ISystem reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
6 XT2 O Sub system clock output terminal (32.768 kHz)
7 TX1 I Sub system clock input terminal (32.768 kHz)
8 FLMD0 I Flash memory programming mode setting terminal
9 X2 O Main system clock output terminal (16 MHz)
10 X1 I Main system clock output terminal (16 MHz)
11 REGC - External capacitor connecting terminal of regulator output for internal operation
12 VSS - Ground terminal
13 VDD - Power supply terminal (+3.3V)
14 O-SA_CLOCK O I2C clock signal output to the wireless transceiver
15 SA-DATA I/O Two-way I2C data bus with the wireless transceiver
16 O-SA_POW-ON I Power supply on/off control signal output terminal for wireless transceiver “H”: power on
17 O-SA_RESET O Reset signal output to the wireless transceiver “L”: reset
18 I-SA_INT I Interrupt signal input from the wireless transceiver
19 I-KEY_PAIRING I PAIRING key input terminal
20 O-AMP_RESET O Reset signal output to the power amplifier “L”: reset
21 O-AMP_NSPMUTE O NSP muting on/off control signal output to the stream processor “L”: muting on
22 O-AMP_SOFTMUTE O Soft muting on/off control signal output to the stream processor “L”: muting on
23 O-AMP_PGMUTE O PG muting on/off control signal output to the stream processor “L”: muting on
24 I-SUFIX I Destination setting terminal Fixed at “L” in this set
25 I-AMP_OVFFLAGL I Overflow flag input terminal Not used
26 O-AMP_INIT O Initialize signal output to the stream processor “L”: initialize
27 NC - Not used
28 O-STBY_LED O LED drive signal output terminal for power level indicator “H”: LED on
29 I-P-ON_DET I Power on detection signal input terminal
30 I-AMP_SD I Shut down signal input from the power amplifier “L” shut down
31 I-AMP_OTW I Over temperature warming signal input terminal Not used
32 O-SA_LED O LED drive signal output terminal for S-AIR indicator “H”: LED on
33 O-FLASH_SI I Serial data input terminal for flash writing
34 O-FLASH_SO O Serial data output terminal for flash writing
35 O-AMP_SCDT O Serial data output to the stream processor
36 O-AMP_SCLATCH O Serial data latch pulse signal output to the stream processor
37 O-AMP_SCSHIFT O Serial data transfer clock signal output to the stream processor
38 AVREF I Reference voltage (+3.3V) input terminal
39 AVSS - Ground terminal
40 I-KEY O POWER key input terminal
41 I-SA_ID I S-AIR ID selection switch input terminal “L”: A, “M”: B, “H”: C
42 O-DISCHARGE O Discharge control signal output terminal “H”: discharge
43 I-POWER_MONITOR2 I Power monitor terminal for main power transformer
44 to 46 NC - Not used
47 I-3.3V_POWER_MONI I Power monitor terminal for +3.3V power supply
48 O-POWER_ON O Power supply on/off control signal output terminal “H”: power on
49 O-SA_STBY_LED O LED drive signal output terminal for power level indicator “H”: LED on
50 O-PAIR_LED O LED drive signal output terminal for PAIRING indicator “H”: LED on
51, 52 NC - Not used