Introduction
This page provides details on the Samsung S5L8702 System on Chip (SoC).
NOTE: All information provided here has been obtained by reverse engineering and is not guaranteed to be accurate.
Peripherals
An overview of the peripherals of the SoC, describing the base address and registers for each one.
SPI
| SPI |
Base address
|
| SPI0 |
0x3c300000
|
| SPI1 |
0x3ce00000
|
| SPI2 |
0x3d200000
|
Registers
| Register Name
|
Offset
|
Description
|
Note
|
| SPICTRL
|
0x00
|
|
|
| SPISETUP
|
0x04
|
|
|
| SPISTATUS
|
0x08
|
|
|
| SPIPIN
|
0x0c
|
|
|
| SPITXDATA
|
0x10
|
|
|
| SPIRXDATA
|
0x20
|
|
|
| SPICLKDIV
|
0x30
|
|
|
| SPIRXLIMIT
|
0x34
|
|
|
SPICTRL
| Name
|
Bit
|
Type
|
Description
|
Note
|
| Unk2
|
1
|
R/W?
|
|
Gets checked by the bootloader after clearing/setting Unk1
|
| Unk1
|
0
|
R?/W
|
|
Gets cleared/set by the bootloader
|
SPISETUP
| Name
|
Bit
|
Type
|
Description
|
Note
|
| RW
|
0
|
R?/W
|
|
0 = TX
1 = RX
|
SPISTATUS
| Name
|
Bit
|
Type
|
Description
|
Note
|
SPIPIN
| Name
|
Bit
|
Type
|
Description
|
Note
|
SPITXDATA
| Name
|
Bit
|
Type
|
Description
|
Note
|
| DATA
|
7:0
|
R?/W
|
Data to be sent by the SPI peripheral
|
|
SPIRXDATA
| Name
|
Bit
|
Type
|
Description
|
Note
|
| DATA
|
7:0
|
R/W?
|
Data received by the SPI peripheral
|
|
SPICLKDIV
| Name
|
Bit
|
Type
|
Description
|
Note
|
| CLKDIV
|
10:0
|
R?/W
|
|
|
SPIRXLIMIT
| Name
|
Bit
|
Type
|
Description
|
Note
|
