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Samsung Exynos 5 User Manual

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Page 71

Samsung Confidential  
Exynos 5250_UM 4 Pad Control 
 4-17  
Register Offset Description Reset Value 
EXT_INT60_PEND 0x0A00 External interrupt EXT_INT60 Pending register 0x0000_0000 
EXT_INT61_PEND 0x0A04 External interrupt EXT_INT61 Pending register 0x0000_0000 
EXT_INT62_PEND 0x0A08 External interrupt EXT_INT62 Pending register 0x0000_0000 
EXT_INT63_PEND 0x0A0C External interrupt EXT_INT63 Pending register 0x0000_0000 
EXT_INT64_PEND 0x0A10 External interrupt EXT_INT64 Pending register 0x0000_0000...

Page 72

Samsung Confidential  
Exynos 5250_UM 4 Pad Control 
 4-18  
Register Offset Description Reset Value 
_XD 
EXT_INT_SERVICE 
_PEND_XD 0x0B0C Current service pending register 0x0000_0000 
EXT_INT_GRPFIXPRI 
_XD 0x0B10 External interrupt group fixed priority control register 0x0000_0000 
EXT_INT50_FIXPRI 0x0B14 External interrupt 1 fixed priority control register 0x0000_0000 
 
  

Page 73

Samsung Confidential  
Exynos 5250_UM 4 Pad Control 
 4-19  
4.4.1.1 GPA0CON 
 Base Address: 0x1140_0000 
 Address = Base Address + 0x0000, Reset Value = 0x0000_0000 
Name Bit Type Description Reset Value 
GPA0CON[7] [31:28] RW 
0x0 = Input 
0x1 = Output 
0x2 = Reserved 
0x3 = I2C_2_SCL 
0x4 = HS-I2C_2_SCL 
0x5 to 0xE = Reserved 
0xF = EXT_INT1[7] 
0x00 
GPA0CON[6] [27:24] RW 
0x0 = Input 
0x1 = Output 
0x2 = Reserved 
0x3 = I2C_2_SDA 
0x4 = HS-I2C_2_SDA 
0x5 to 0xE = Reserved 
0xF = EXT_INT1[6] 
0x00...

Page 74

Samsung Confidential  
Exynos 5250_UM 4 Pad Control 
 4-20  
4.4.1.2 GPA0DAT 
 Base Address: 0x1140_0000 
 Address = Base Address + 0x0004, Reset Value = 0x00 
Name Bit Type Description Reset Value 
GPA0DAT[7:0] [7:0] RWX 
When you configure the port as input port, the 
corresponding bit is the pin state. When you configure 
the port as output port, the pin state is similar as the 
corresponding bit. W hen you configure the port as 
functional pin, you can read the undefined value. 
0x00 
 
4.4.1.3...

Page 75

Samsung Confidential  
Exynos 5250_UM 4 Pad Control 
 4-21  
4.4.1.5 GPA0CONPDN 
 Base Address: 0x1140_0000 
 Address = Base Address + 0x0010, Reset Value = 0x0000 
Name Bit Type Description Reset Value 
GPA0[n] [2n + 1:2n] 
n = 0 to 7 RW 
0x0 = Output 0 
0x1 = Output 1 
0x2 = Input 
0x3 = Previous state 
0x00 
 
4.4.1.6 GPA0PUDPDN 
 Base Address: 0x1140_0000 
 Address = Base Address + 0x0014, Reset Value = 0x0000 
Name Bit Type Description Reset Value 
GPA0[n] [2n + 1:2n] 
n = 0 to 7 RW 
0x0 =...

Page 76

Samsung Confidential  
Exynos 5250_UM 4 Pad Control 
 4-22  
4.4.1.7 GPA1CON 
 Base Address: 0x1140_0000 
 Address = Base Address + 0x0020, Reset Value = 0x0000_0000 
Name Bit Type Description Reset Value 
GPA1CON[5] [23:20] RW 
0x0 = Input 
0x1 = Output 
0x2 = UART_3_TXD 
0x3= Reserved 
0x4 = UART_AUDIO_TXD 
0x5 to 0xE = Reserved 
0xF = EXT_INT2[5] 
0x00 
GPA1CON[4] [19:16] RW 
0x0 = Input 
0x1 = Output 
0x2 = UART_3_RXD 
0x3= Reserved 
0x4 = UART_AUDIO_RXD 
0x5 to 0xE = Reserved 
0xF = EXT_INT2[4]...

Page 77

Samsung Confidential  
Exynos 5250_UM 4 Pad Control 
 4-23  
4.4.1.8 GPA1DAT 
 Base Address: 0x1140_0000 
 Address = Base Address + 0x0024, Reset Value = 0x00 
Name Bit Type Description Reset Value 
GPA1DAT[5:0] [5:0] RWX 
When you configure the port as input port, the 
corresponding bit is the pin state. When you configure 
the port as output port, the pin state is similar as the 
corresponding bit. W hen you configure the port as 
functional pin, the undefined value will be read. 
0x00 
 
4.4.1.9...

Page 78

Samsung Confidential  
Exynos 5250_UM 4 Pad Control 
 4-24  
4.4.1.11 GPA1CONPDN 
 Base Address: 0x1140_0000 
 Address = Base Address + 0x0030, Reset Value = 0x0000 
Name Bit Type Description Reset Value 
GPA1[n] [2n + 1:2n] 
n = 0 to 5 RW 
0x0 = Output 0 
0x1 = Output 1 
0x2 = Input 
0x3 = Previous state 
0x00 
 
4.4.1.12 GPA1PUDPDN 
 Base Address: 0x1140_0000 
 Address = Base Address + 0x0034, Reset Value = 0x0000 
Name Bit Type Description Reset Value 
GPA1[n] [2n + 1:2n] 
n = 0 to 5 RW 
0x0 =...

Page 79

Samsung Confidential  
Exynos 5250_UM 4 Pad Control 
 4-25  
4.4.1.13 GPA2CON 
 Base Address: 0x1140_0000 
 Address = Base Address + 0x0040, Reset Value = 0x0000_0000 
Name Bit Type Description Reset Value 
GPA2CON[7] [31:28] RW 
0x0 = Input 
0x1 = Output 
0x2 = SPI_1_MOSI 
0x3 to 0xE = Reserved 
0xF = EXT_INT3[7] 
0x00 
GPA2CON[6] [27:24] RW 
0x0 = Input 
0x1 = Output 
0x2 = SPI_1_MISO 
0x3 to 0xE = Reserved 
0xF = EXT_INT3[6] 
0x00 
GPA2CON[5] [23:20] RW 
0x0 = Input 
0x1 = Output 
0x2 = SPI_1_nSS...

Page 80

Samsung Confidential  
Exynos 5250_UM 4 Pad Control 
 4-26  
Name Bit Type Description Reset Value 
0x2 = SPI_0_CLK 
0x3 = I2C_4_SDA 
0x4 to 0xE = Reserved 
0xF = EXT_INT3[0] 
 
  
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