Adapter to allow the M38869FFAHP microcontroller to be read as an M5M28F101 parallel flash memory.
| Flash Name | Flash Pin | MCU Pin | MCU Name |
|---|---|---|---|
| A16 | 2 | 61 | P31/PWM10 |
| A15 | 3 | 39 | P17 |
| A12 | 4 | 42 | P14 |
| A7 | 5 | 47 | P07 |
| A6 | 6 | 48 | P06 |
| A5 | 7 | 49 | P05 |
| A4 | 8 | 50 | P04 |
| A3 | 9 | 51 | P03 |
| A2 | 10 | 52 | P02 |
| A1 | 11 | 53 | P01 |
| A0 | 12 | 54 | P00/P3REF |
| D0 | 13 | 38 | P20 |
| D1 | 14 | 37 | P21 |
| D2 | 15 | 36 | P22 |
| GND | 16 | 19 | P46/SCK1/OBF10 |
| GND | 16 | 21 | P44/RXD |
| GND | 16 | 25 | /RESET |
| GND | 16 | 30 | Vss |
| GND | 16 | 60 | P32 |
| GND | 16 | 62 | P30/PWM00 |
| GND | 16 | 72 | Vref |
| GND | 16 | 73 | AVss |
| D3 | 17 | 35 | P23 |
| D4 | 18 | 34 | P24 |
| D5 | 19 | 33 | P25 |
| D6 | 20 | 32 | P26 |
| D7 | 21 | 31 | P27 |
| /CE | 22 | 56 | P36 |
| A10 | 23 | 44 | P12 |
| /OE | 24 | 55 | P37 |
| A11 | 25 | 43 | P13 |
| A9 | 26 | 45 | P11 |
| A8 | 27 | 46 | P10 |
| A13 | 28 | 41 | P15 |
| A14 | 29 | 40 | P16 |
| /WE | 31 | 59 | P33 |
| Vcc | 32 | 24 | CNVss |
| Vcc | 32 | 71 | Vcc |
Note that the MCU's CNVss pin (24) is tied to the flash pin Vcc instead of Vpp. This sets read-only mode. The read/write mode has not been tested.
In addition to the connections above, the MCU needs a 10 MHz crystal between XIN (28) and XOUT (29).