| Port pin |
Player |
Recorder |
FM/V2 Recorder |
| PA0 |
GP In | DC adapter detect (0=inserted) |
/CS4 | MAS Parallel Port (for recording) |
/CS4 | MAS Parallel Port (for recording) |
| PA1 |
/RAS Out | DRAM control |
/RAS Out | DRAM control |
/RAS Out | DRAM control |
| PA2 |
/CS6 Out | ATA registers |
/CS6 Out | ATA registers |
/CS6 Out | ATA registers |
| PA3 |
/WAIT In | Bus handshake |
/WAIT In | Bus handshake |
/WAIT In | Bus handshake |
| PA4 |
/WR Out | Bus write signal |
/WR Out | Bus write signal |
/WR Out | Bus write signal |
| PA5 |
GP In | ON key (0=pressed) |
GP Out | ATA power control (1=on) |
GP Out | ATA/LED power control (1=on) |
| PA6 |
/RD Out | Bus read signal |
/RD Out | Bus read signal |
/RD Out | Bus read signal |
| PA7 |
GP Out | ATA buffer control (0=active) |
GP Out | ATA buffer control (0=active) |
GP Out | ATA buffer control (0=active) |
| PA8 |
| |
GP Out | MAS POR Reset (polarity varies) |
GP Out | MAS POR Reset (polarity varies) |
| PA9 |
GP Out | ATA Reset (0=reset) |
GP Out | ATA Reset (0=reset) |
GP Out | ATA Reset (0=reset) |
| PA10 |
GP Out | USB Enable (0=enable) |
GP Out | USB Enable (polarity varies) |
GP Out | USB Enable (polarity varies) |
| PA11 |
GP In | STOP key (0=pressed) |
GP Out | MAS PR DMA Request (polarity varies) |
GP Out | MAS PR DMA Request (polarity varies) |
| PA12 |
/IRQ0 | ATA INTRQ (not used) |
/IRQ0 | ATA INTRQ (not used) |
/IRQ0 | ATA INTRQ (not used) |
| PA13 |
| |
/IRQ1 | RTC IRQ |
| |
| PA14 |
GP Out | Backlight (1=on) |
GP In | Not used |
| |
| PA15 |
GP In | USB cable detect (0=inserted) |
/IRQ3 | MAS Demand IRQ, start demand |
/IRQ3 | MAS Demand IRQ, start demand |
| Port pin |
Player |
Recorder |
FM/V2 Recorder |
| PB0 |
GP Out | LCD Data Select (1=data) |
GP Out | LCD Serial Data |
GP Out | LCD Serial Data / FM Radio Data In |
| PB1 |
GP Out | LCD Chip Select (0=active) |
GP Out | LCD Serial Clock |
GP Out | LCD Serial Clock / FM Radio Serial Clock |
| PB2 |
GP Out | LCD Serial Data |
GP Out | LCD Data Select (1=data) |
GP Out | LCD Data Select (1=data) |
| PB3 |
GP Out | LCD Serial Clock |
GP Out | LCD Chip Select (0=active) |
GP Out | LCD Chip Select (0=active) / FM Radio Chip Enable (1=active) |
| PB4 |
GP Out | Hard disk power (0=on) NewPlayer only |
GP In | OFF key (0=pressed) |
GP In | FM Radio Data Out |
| PB5 |
GP Out | MAS WSEN (1=enable) |
GP Out | Charger control (0=enable) |
GP Out | Main power control (0=shut off) |
| PB6 |
GP Out | Red LED control (1=on) |
GP Out | Red LED control (1=on) |
GP Out | Red LED control (1=on) |
| PB7 |
GP I/O | I²C Data |
GP Out | I²C Data |
GP Out | I²C Data |
| PB8 |
| |
| |
| |
| PB9 |
TxD0 | MAS Serial link for MP3 data |
TxD0 | MAS Serial link for MP3 data |
TxD0 | MAS Serial link for MP3 data |
| PB10 |
RxD1 | Remote control serial input |
RxD1 | Remote control serial input |
Unused | (meant for RDS data input, IIRC) |
| PB11 |
| |
| |
| |
| PB12 |
SCK0 | MAS Serial Clock for MP3 data |
SCK0 | MAS Serial Clock for MP3 data |
SCK0 | MAS Serial Clock for MP3 data |
| PB13 |
GP Out | I²C Clock |
GP Out | I²C Clock |
GP Out | I²C Clock |
| PB14 |
/IRQ6 | MAS Demand IRQ, stop demand |
/IRQ6 | MAS Demand IRQ, stop demand |
/IRQ6 | MAS Demand IRQ, stop demand |
| PB15 |
GP In | MAS MP3 frame sync |
GP In | MAS PRTW input (0=ready) |
GP In | MAS PRTW input (0=ready) |