Marantz MM8003 - Microprocessor and IC Pin Data

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12. MICROPROCESSOR AND IC DATA
IC40 : R5F21246SNFP [MAIN CPU]
Pin
No
Port I/O USE STBY Port Name Act. Init Note
1 NC NC - X X X X
2 P35/SCL/SSCK I/O O H I2C CLK - H I2C CLK for Serial EEPROM
3 P33/SSI I/O I I - - - NO USE
4 P34/SDA/SCS I/O O H I2C DATA - H I2C DATA for Serial EEPROM
5 MODE I I H MODE L H For CPU writing
6 P43/XCIN I/O I I - - L NO USE
7 P44/XCOUT I/O O I - - L NO USE
8 RESET I I I RESET L H RESET PORT(LoW ACTIVE)
9 XOUT/P47 I/O O X XOUT X X 16MHz X'tal
10 VSS/AVSS I - - GND - - GND
11 P46/XIN I I X XIN X X 16MHz X'tal
12 VCC/AVCC I I I VCC - - +5V
13 P27/YRDIOD1 I/O O L SPK_ON1 H L SPK1 OUT ON/OFF Control
14 P26/TRDIOC1 I/O O L SPK_ON2 H
L SPK2 OUT ON/OFF Control
15 P25/TRDIOB1 I/O O L SPK_ON3 H L SPK3 OUT ON/OFF Control
16 P24/TRDIOA1 I/O O L SPK_ON4 H L SPK4 OUT ON/OFF Control
17 P23/TRDIOD0 I/O O H V_LED3 L H Version indication LED 3bit（MSB）
18 P22/TRDIOC0 I/O O H V_LED2 L H Version indication LED 2bit
19 P21/TRDIOB0 I/O O H V_LED1 L H Version indication LED 1bit（LSB）
20 P20/TRDIOA0 I/O I I RC_IN - H RC5 INPUT
21 P17/TRAIO/INT1 I/O I I RC_INT L H RC5 INPUT
22 P16/CLK0 I/O O L FAN_1 L H FAN Control 1 Output
23 P15/RXD0 I/O O L FAN_2 L H FAN Control 2 Output
24 P14/TXD0 I/O I I _HEAT_DET_P L H
Power AMP Heat detection for
Posistor
25 P13/KI3/AN11 I/O AD I KEY2 - - Factory_Key / Service Key
26 NC NC - NC
27 P45/INT0 I/O INT I _P_DOWN L H Power Down Detection
28 P66/INT2/TXD1 I/O SO I TXD
L H UART for RS232C
29 P67/INT3/RXD1 I/O SI I RXD L H UART for RS232C
30 P12/KI2/AN10 I/O AD I _HEAT_DET_4 - -
Power AMP Heat detection 4
(NS LM94022)
31 P11/KI1/AN9 I/O I KEY INT PWR_BTN H L
Power Button / Rear_Power_
Button
32 P10/KI0/AN8 I/O I I DC_IN - L
DC Trigger Detect
H →L:Stand-by L →H:Power On
33 P31/TRBO I/O O H _DC_OUT - H
DC Trigger OUT
Set Stand-by →H Set Power ON
→L
34 P30/TRAO I/O I I - - H Rear_Power_Button
35 P65/CLK1 I/O O H _POWER_LED3 L H Power LED3