Camerica BF909x pinout

Camerica BF9093, BF9096: 20-pin 0.3" PDIP (Canonically iNES Mapper 071 submapper 0 and iNES Mapper 232, respectively)

                .--v--.
         +5V -- |01 20| <- CPU A14 (n)
 (n) /ROMSEL -> |02 19| <- CPU A13 (nr)
 (r) PRG /CE <- |03 18| -> PRG A15 (r)
 (r) PRG A14 <- |04 17| -> PRG A16 (r)
      (n) M2 -> |05 16| -- GND
 (nr) CPU A0 -> |06 15| <- R/W (n)
 (nr) CPU D0 -> |07 14| -> PRG A17 (r)
 (nr) CPU D1 -> |08 13| -> CIC stun
 (nr) CPU D2 -> |09 12| <- CPU D4 (nr)
         GND -- |10 11| <- CPU D3 (nr)
                '-----'

Camerica BF9097: 20-pin 0.3" PDIP (Canonically iNES Mapper 071 submapper 1)

 (r) PRG /CE <- |03 18| -> PRG A15 (r)
 (r) PRG A14 <- |04 17| -> CIRAM A10 (n)
      (n) M2 -> |05 16| -> PRG A16 (r)
 (nr) CPU A0 -> |06 15| -- GND
 (nr) CPU D0 -> |07 14| <- R/W (n)
 (nr) CPU D1 -> |08 13| -> CIC stun

Source: Kevtris