Sharp HT-DV40H, Service Manual

Page: 106 / 160

HT-DV40H
8 – 21
M_A[12]/GPIO 174 Input/Output SDRAM address bus [12] or GPIO[49]
R_A10 175 Output ROM / SRAM / flash address bus bit [10]
R_A9 176 Output ROM / SRAM / flash address bus bit [9]
R_A8 178 Output ROM / SRAM / flash address bus bit [8]
R_A7 179 Output ROM / SRAM / flash address bus bit [7]
R_A6 180 Output ROM / SRAM / flash address bus bit [6]
R_A5 181 Output ROM / SRAM / flash address bus bit [5]
R_A4 183 Output ROM / SRAM / flash address bus bit [4]
R_A3 184 Output ROM / SRAM / flash address bus bit [3]
R_A2 185 Output ROM / SRAM / flash address bus bit [2]
R_A1 186 Output ROM / SRAM / flash address bus bit [1]
AIN/AIN_L
(8202A only)
187 A
(8202A only)
ADC input (left channel, with OP)
GPIO
(8202A-256 only) 187 Input/Output GPIO
ATO
(8202A only)
188 A ADC OP output. When not used, connect a 0.1uF to ground.
GPIO
(8202A-256 only) 188 Input/Output GPIO
Symbol Pin # Input/Output Description
Priority selection Function Dir
sft_cfg1[5]=1’b1
SDRAM address bus [12]
(default)
Output
gpio_first[3][1] = 1 GPIO[49] Input/Output
sft_cfg13[3:0] = 4'b1100 IEC_RX Input
sft_cfg13[8:4] = 5'b10000 ADC_DATA Input
sft_cfg13[11:9] = 3'b100 AT_DMARQ Input
sft_cfg13[14:12] = 3'b010 AT_D[12] Input/Output
sft_cfg13[14:12] = 3'b111 AT_D[0] Input/Output
sft_cfg3[15:14] = 2 IOCHRDY Input
sft_cfg7[11:8] = 4'b1000 VGA_CLK Input
sft_cfg0[13:12] = 1 TV_LCD_DCLK Output
sft_cfg0[13:12] = 2 TV_LCD_DCLK Output
sfg_cfg16[3:0] = 4'b0001 FM_GPIOB[8] Input/Output
sfg_cfg17[3:0] = 4'b0100 FM_GPIOB[19] Input/Output
sft_cfg7[15:14] = 1 CLK27_OUT Output
sft_cfg7[13:12] = 1 CLK54_OUT Output
sft_cfg18[5:4] = 1 CLK48_OUT Output
sft_cfg18[7:6] = 1 CLK108_OUT Output
(other) GPIO[49] Input/Output
Priority selection Function Dir
gpio_first[6][5] = 1 GPIO[101]
Input/Output
sft_cfg13[8:4] = 5'b11011 ADC_DATA Input
sft_cfg13[14:12] = 3'b111 AT_D[9] Input/Output
sft_cfg14[10:8] = 3'b111 TV_HSYNC_SRGB Output
sft_cfg11[5:3] = 3'b111 TS_DATA[0] Input/Output
sft_cfg7[11:8] = 4'b1011 VGA_CLK Input
sft_cfg13[14:12] = 3'b111 AT_D[0] Input/Output
sft_cfg3[15:14] = 2 IOCHRDY Input
sft_cfg7[11:8] = 4'b1000 VGA_CLK Input
sft_cfg11[11:9] = 3'b010 TV_LCD_R_EXT[0] Output
(other) GPIO[101] (default)
Input/Output
Priority selection Function Dir
gpio_first[6][6] = 1 GPIO[102]
Input/Output
sft_cfg13[8:4] = 5'b11100 ADC_DATA Input
sft_cfg13[14:12] = 3'b111 AT_D[6] Input/Output
sft_cfg14[10:8] = 3'b111 TV_VSYNC_SRGB Output
sft_cfg11[5:3] = 3'b111 EXT_TS_CLK Input
sft_cfg11[11:9] = 3'b010 TV_LCD_R_EXT[1] Output
(other) GPIO[102] (default) Input/Output