S5L8702
Contents
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 | 
|---|
Chip ID
Base address: 0x3d100000
JPEG Decoder
Base address: 0x39600000
ATA
Base address: 0x38700000
GPIO
Base address: 0x3cf00000
System Controller
Base address: 0x3c500000
WatchDog
Base address: 0x3c800000
MIU
Base address: 0x38100000
TIMER
Base address: 0x3c700000
USB
OTG base address: 0x38400000
PHY base address: 0x3c400000
