36 pin new Mister SDRAM module
3 extra pins for old Mister SDRAM/SRAM modules:
pin 57 HSMC_TX _n[8] PIN_D1 SDRAM_CKE
pin 59 HSMC_TX _p[8] PIN_E1 SDRAM_DQMH
pin 58 HSMC_RX _n[8] PIN_E11 SDRAM_DQML
Note: Pin numbers are according to the position on the 2x20 connector
HSMC J3 connector pin 7 JOY1_B2_P9; HSMC_TX _p[7] PIN_C3 USER_IO[6] (sega C)
HSMC J3 connector pin 8 JOY1_B1_P6; HSMC_RX _p[6] PIN_H8 USER_IO[2] (sega B)
HSMC J3 connector pin 9 JOY1_UP; HSMC_TX _n[6] PIN_D4 USER_IO[1]
HSMC J3 connector pin 10 JOY1_DOWN; HSMC_RX _n[5] PIN_H7 USER_IO[0]
HSMC J3 connector pin 13 JOY1_LEFT; HSMC_TX _p[6] PIN_E4 USER_IO[5]
HSMC J3 connector pin 14 JOY1_RIGHT; HSMC_RX _p[5] PIN_J7 USER_IO[3]
HSMC J3 connector pin 15 JOYX_SEL_O; HSMC_TX _n[5] PIN_E2 USER_IO[4]
HSMC J3 connector pin 16 / PMOD3[0]; HSMC_RX _n[4] PIN_K8 SDIO_DAT[3]
HSMC J3 connector pin 17 / PMOD3[1]; HSMC_TX _p[5] PIN_E3 SDIO_CMD
HSMC J3 connector pin 18 / PMOD3[2]; HSMC_RX _p[4] PIN_K7 SDIO_DAT[0]
HSMC J3 connector pin 19 / PMOD3[3]; HSMC_CLKOUT_n1 PIN_E6 SDIO_CLK
HSMC J3 connector pin 20 / PMOD3[4]; HSMC_RX _n[3] PIN_J9 SDIO_DAT[1]
HSMC J3 connector pin 21 / PMOD3[5]; HSMC_CLKOUT_p1 PIN_E7 SDIO_DAT[2]
HSMC J3 connector pin 22 / PMOD3[6]; HSMC_RX _p[3] PIN_J10 SDCD_SPDIF
HSMC J3 connector pin 23 / PMOD3[7]; HSMC_TX _n[4] PIN_C4 --> not used
HSMC J3 connector pin 24 HSMC_RX _n[2] PIN_F10 AUDIO_SPDIF
HSMC J3 connector pin 25 HSMC_TX _p[4] PIN_D5 AUDIO_L
HSMC J3 connector pin 26 HSMC_RX _p[2] PIN_G10 AUDIO_R
HSMC J3 connector pin 27 HSMC_TX _n[3] PIN_C5 IO_SCL
HSMC J3 connector pin 28 HSMC_RX _n[1] PIN_J12 IO_SDA
HSMC J3 connector pin 31 HSMC_TX _p[3] PIN_D6 LED_USER
HSMC J3 connector pin 32 HSMC_RX _p[1] PIN_K12 LED_HDD
HSMC J3 connector pin 33 HSMC_TX _n[2] PIN_F6 LED_POWER
HSMC J3 connector pin 34 HSMC_RX _n[0] PIN_G11 BTN_USER
HSMC J3 connector pin 35 HSMC_TX _p[2] PIN_G7 BTN_OSD
HSMC J3 connector pin 36 HSMC_RX _p[0] PIN_G12 provision for a future external reset button