Sharp HT-DV40H, Service Manual

Page: 97 / 160

HT-DV40H
8 – 12
R_A19 86 Input/Output ROM / SRAM / flash address bus bit [19]
R_A18 87 Input/Output ROM / SRAM / flash address bus bit [18]
R_A17 88 Input/Output ROM / SRAM / flash address bus bit [17]
R_A16 89 Input/Output ROM / SRAM / flash address bus bit [16]
R_A15 91 Input/Output ROM / SRAM / flash address bus bit [15]
R_A14 92 Input/Output ROM / SRAM / flash address bus bit [14]
R_A13 93 Input/Output ROM / SRAM / flash address bus bit [13]
R_A12 94 Input/Output ROM / SRAM / flash address bus bit [12]
R_A11 95 Input/Output ROM / SRAM / flash address bus bit [11]
R_A11 97 Input Clock input / crystal in (XTALI)
R_A11 98 Output Clock output / crystal out (XTALO)
R_A11 101 Input/Output USB bus D+ (only for USB versions)
R_A11 102 Input/Output USB bus D- (only for USB versions)
R_A11 107 Input/Output SDRAM data bus [7]
R_A11 108 Input/Output SDRAM data bus [6]
R_A11 109 Input/Output SDRAM data bus [5]
R_A11 110 Input/Output SDRAM data bus [4]
R_A11 111 Input/Output SDRAM data bus [3]
R_A11 113 Input/Output SDRAM data bus [2]
R_A11 114 Input/Output SDRAM data bus [1]
R_A11 115 Input/Output SDRAM data bus [0]
R_A11 116 Input/Output SDRAM write enable / row precharge
R_A11 117 Input/Output SDRAM column address strobe
R_A11 118 Input/Output SDRAM row address strobe / precharge
M_CS0_B/GPIO 120 Input/Output SDRAM chip select 0, or GPIO[24]
M_BA0 121 Input/Output SDRAM bank select address [0]
M_DD[15] 122 Input/Output SDRAM data bus [15]
M_DD[14] 123 Input/Output SDRAM data bus [14]
M_DD[13] 124 Input/Output SDRAM data bus [13]
M_DD[12] 126 Input/Output SDRAM data bus [12]
M_DD[11] 127 Input/Output SDRAM data bus [11]
M_DD[10] 128 Input/Output SDRAM data bus [10]
M_DD[9] 129 Input/Output SDRAM data bus [9]
M_DD[8] 130 Input/Output SDRAM data bus [8]
M_A[11]/ GPIO 131 Input/Output SDRAM address bus [11] or GPIO[25]
M_CLKO 133 Output SDRAM clock output
M_CKE/GPIO 135 Input/Output SDRAM clock enable, or GPIO[26]
M_A[9] 136 Input/Output SDRAM address bus [9]
M_A[8] 137 Input/Output SDRAM address bus [8]
M_A[7] 138 Input/Output SDRAM address bus [7]
Symbol Pin # Input/Output Description
Priority selection Function Dir
gpio_first[4][9] = 1 GPIO[73]
Input/Output
PINMUX_control[0][0] = 1 ROM_ADDR[19](default) Input/Output
sft_cfg1[11:9] = 3'b110 NT1_11
Input
sfg_cfg16[15:12] = 4'b1000 FM_GPIOB[15]
Input/Output
sfg_cfg18[3:0] = 4'b0001 FM_GPIOB[32]
Input/Output
sfg_cfg18[3:0] = 4'b0010 FM_GPIOB[32]
Input/Output
(other) GPIO[73]
Input/Output
Priority selection Function Dir
sft_cfg0[0]=1íb1 SDRAM chip select (default)
Output
gpio_first[1][8] = 1 GPIO[24]
Input/Output
(other) GPIO[24]
Input/Output
Priority selection Function Dir
sft_cfg1[4]=1íb1
SDRAM address bus M_A[11]
(default)
Output
gpio_first[1][9] = 1
IGPIO[25]
Input/Output
sft_cfg13[3:0] = 4'b1001 IEC_RX
Input
sft_cfg13[8:4] = 5'b01010 ADC_DATA
Input
(other) GPIO[25]
Input/Output
Priority selection Function Dir
sft_cfg0[1]=1íb1 DRAM clock enable (default)
Output
(other) GPIO[26]
Input/Output