VT01 Pinout
/ 103 \ -> CPU A6
GND -- / 1 102 \ <> CPU D7
/ 101 \ -> CPU A7
CPU D6 <> / 2 100 \ -> CPU A11
CPU A5 <- / 3 99 \ -> CPU A8
CPU D5 <> / 4 98 \ -> CPU A13
CPU A4 <- / 5 97 \ -> CPU A9
CPU D4 <> / 6 96 \ -> CPU A12
CPU A3 <- / 7 95 \ -> CPU A10
CPU D3 <> / 8 94 \ <- CPU Clock (1.8MHz)
CPU A2 <- / 9 93 \ -> CPU A11
CPU D2 <> / 10 92 \ ?? DIVF
GND -- / 11 91 \ -- VCC
VCC -- / 12 90 \ -> Audio
VCC -- / 13 89 \ <- TFT LCD Select
CPU A1 <- / 14 88 \ -> Toggle Enable for LCD source driver
CPU D1 <> / 15 87 \ -> LCD Blue
CPU A0 <- / 16 86 \ -> LCD Green
CPU D0 <> / 17 85 \ -> LCD Vertical Start Pulse
CPU R/W <- / 18 84 \ -> LCD /OE
/ROMSEL <- / 19 83 \ -> LCD Red
/IRQ -> / 20 82 \ -> STH
PPU R/W <- / 21 81 \ -> CPH1
/ 80 \ -> CPH2
GND -- / 22 79 \ -> CPH3
/ 78 \ -- VCC
Video /OE -> \ 23 77 \ -- GND
CPU A15 <- \ 24 76 \ -- GND
IVAB A10 -> \ 25 \
Power <- \ 26 75 / <- JOYAM
PPU A6 <- \ 27 74 / ?? CPU47
PPU A7 <- \ 28 73 / <- JOYRTA
PPU A5 <- \ 29 72 / -> IO1
PPU A8 <- \ 30 71 / <- JOYDNA
GND -- \ 31 70 / <- JOYLFA
PPU A4 <- \ 32 69 / <- JOYUPA
PPU A9 <- \ 33 68 / <- $4016.1
PPU A3 <- \ 34 67 / <- JOYST
PPU A10 <- \ 35 66 / ?? CUP46
PPU A2 <- \ 36 65 / <- JOYSE
PPU A11 <- \ 37 64 / <- JOYBM
PPU A1 <- \ 38 63 / -> Clock Crystal Output
PPU A12 <- \ 39 62 / <- Clock Crystal Input
PPU A0 <- \ 40 61 / <- /RST
VCC -- \ 41 60 / <- TEST
EXROM /CS -> \ 42 59 / -- VCC
PPU D0 <> \ 43 58 / -> Video
PPU D7 <> \ 44 57 / <- REG1
PPU D1 <> \ 45 56 / <- REG0
PPU D6 <> \ 46 55 / <> PPU D4
JOYSEL -> \ 47 54 / <> PPU D3
LCDGD -> \ 48 53 / <> PPU D5
VCOM -> \ 49 52 / <> PPU D2
Q2H -> \ 50 51 / -- GND
-------
- IVAB A10: Internal Video Address A10
- Power: Power On signal, default high, low if $2001(D6)=1 or no any pushed for 5 minutes
- LCDGD: Clock input for gate driver of TFT LCD Driver.
- VCOM: Common electrode voltage control of TFT LCD Driver
- Q2H: Video input rotation control of TFT LCD Driver
- REGx: Region Selector. All 0 = NTSC; All 1 = PAL
- CPHx: Sampling and shift clock for source driver of TFT LCD Driver
- STH: Start pulse for source driver of TFT LCD Driver
Based on http://www.vrt.com.tw/old_site/admin/upload/datasheet/VT01%20Data%20Sheet%20RevisionA2_ENG_.pdf