MicroHacker Forum

What i found out until now, MAC7116 utilized:

EEPROM

• I2C protocol
• uses PB0(SDA) and PB1 (SCL) of MAC
• I2C module, start at 0xFC0A 0000
• MAC-Datasheet start at page 593

Gauge needle stepper

• SPI protocol
• DSPI_A module, start at 0xFC0B 4000
• MAC-Datasheet start at page 520

LEDs

• Left turn indicator (D716) => MAC7116.PA4
• PF2 (SDI) and PF3 (CLK) => STP16C596 LED-Controllers

Serial-Serviceport

• Serial protocol (LIN?)
• uses PG2 (RXD_A, serial in to chip) and PG3 (TXD_A, serial out from chip)
• eSCI_A module, start at 0xFC0C 4000
• MAC-Datasheet start at page 474

Sounder

• direct IO
• uses PF7 and PE10
• Port F start at 0xFC0E 8140
• Port E start at 0xFC0E 8100
• MAC-Datasheet start at page 352

PIM-Base => 0xFC0E 8000
Port F, all: => data => 0xFC0E 8164, input => 0xFC0E 8166
Port F, Pin 2: config => 0xFC0E 8144, data => 0xFC0E 816A
Port F, Pin 3: config => 0xFC0E 8146, data => 0xFC0E 816B

to be continued...

Ports and Hardware to clearify (traces found in firmware):

• MAC7116-93, Port PA12 => ?
• MAC7116-65, Port PA15 => ?
• MAC7116-77, Port PB14 => ?
• MAC7116-38, Port PF5 => ?
• MAC7116-36, Port PF7 => ?
• MAC7116-37, Port PF6 => ?
• MAC7116-27, Port PF12 => ?
• MAC7116-25, Port PF14 => ?
• MAC7116-24, Port PF15 => ?
• MAC7116-??, Port PH6 => ?
• MAC7116 A0-A... => EPSON LCD-Controller (via 16-bit transceiver LCX16245)