Sharp HT-DV40H Service Manual page 98

HT-DV40H
Symbol Pin #
M_A[6] 139
M_A[5] 140
M_A[4] 142
M_DQM1/GPIO 143
M_DQM0/GPIO 144
M_BA1/GPIO 145
M_A[10] 146
M_A[0] 147
M_A[1] 149
M_A[2] 150
M_A[3] 151
GPIO/M_DD[31] 152
GPIO/M_DD[30] 153
Input/Output
Input/Output SDRAM address bus [6]
Input/Output SDRAM address bus [5]
Input/Output SDRAM address bus [4]
Input/Output SDRAM data input/output mask for M_DD[15:8], or GPIOA[27]
Priority selection
sft_cfg0[3]=1íb1
(other)
Input/Output SDRAM data input/output mask for M_DD[7:0] or GPIOA[28]
Priority selection
sft_cfg0[2]=1íb1
(other)
Input/Output SDRAM bank select address [1] or GPIOA[29]
Priority selection
sft_cfg0[6]=1íb1
sft_cfg13[3:0] = 4'b1010
sft_cfg13[8:4] = 5'b01011
{sft_cfg20[5:3],sft_cfg14[1
5:13]} = 6'b010000
(other)
Output SDRAM address bus [10]
Output SDRAM address bus [0]
Output SDRAM address bus [1]
Output SDRAM address bus [2]
Output SDRAM address bus [3]
Input/Output SDRAM data bus bit 31 or GPIO[30]
Priority selection
hw_cfg_chg[5]=1íb1
gpio_first[1][14] = 1
hw_cfg_chg[4] = 1'b1
sft_cfg13[11:9] = 3'b100
sft_cfg13[14:12] = 3'b001
{sft_cfg20[5:3],sft_cfg14[1
5:13]} = 6'b001000
sft_cfg0[13:12] = 1
sfg_cfg15[5:3] = 3'b101
sfg_cfg17[11:8] = 4'b0100
sfg_cfg17[15:12] = 4'b1011
sfg_cfg18[3:0] = 4'b0001
(other)
Input/Output SDRAM data bus bit 30 or GPIO[31]
Priority selection
hw_cfg_chg[5]=1íb1
gpio_first[1][15] = 1
hw_cfg_chg[4] = 1'b1
sft_cfg13[14:12] = 3'b001
sft_cfg13[14:12] = 3'b100
sft_cfg0[13:12] = 1
sfg_cfg15[2:0] = 3'b100
sfg_cfg15[8:6] = 3'b101
sfg_cfg17[15:12] =4'b0001
sfg_cfg18[3:0] = 4'b1001
(other)
Description
Function
SDRAM data input/output
mask for M_DD[15:8] (default)
GPIO[27]
Function
SDRAM data input/output
mask for M_DD[7:0] (default)
GPIO[28]
Function
SDRAM bank select address
[1] (default)
IEC_RX
ADC_DATA
INT0_7
GPIO[29]
Function
SDRAM data bus [31]
GPIO[30]
FL_ROM_DATA[15]
AT_DIOW_B
AT_D[15]
INT0_7
TV_LCD_R[0]
FM_GPIOB[4]
FM_GPIOB[21]
FM_GPIOB[26]
FM_GPIOB[27]
GPIO[30] (default)
Function
SDRAM data bus [30]
GPIO[31]
FL_ROM_DATA[14]
AT_D[0]
AT_D[0]
TV_LCD_R[1]
FM_GPIOB[0]
FM_GPIOB[5]
FM_GPIOB[26]
FM_GPIOB[27]
GPIO[31] (default)
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