S3C24A0 Datasheet, PDF (234/487 Pages) Samsung semiconductor – APPLICATION PROCESSOR FOR 2.5G/3G MOBILE PHONES

BSW rv0.1-0417-N01
S3C24A0 RISC MICROPROCESSOR
SPI Baud Rate Prescaler Register
Register
SPPRE0
SPPRE1
Address
R/W
0x4450000C R/W
0x4450002C R/W
Description
SPI Cannel 0 Baud Rate Prescaler Register
SPI Cannel 1 Baud Rate Prescaler Register
SPPREn
Bit
Description
Prescaler Value [7:0] Determines SPI clock rate as above equation.
Baud rate = PCLK / 2 / (Prescaler value + 1)
NOTE: Baud rate should be less than 25MHz.
SPI INTERFACE
Reset Value
0x00
0x00
Initial State
0x00
SPI Tx Data Register
Register
SPTDAT0
SPTDAT1
Address
R/W
0x44500010 R/W
0x44500030 R/W
Description
SPI Channel 0 Tx Data Register
SPI Channel 1 Tx Data Register
Reset Value
0x00
0x00
SPTDATn
Tx Data Register
Bit
Description
[7:0] This field contains the data to be transmitted over the SPI channel
Initial State
0x00
SPI Rx Data Register
Register
Address
R/W
SPRDAT0 0x44500014
R
SPRDAT1 0x44500034
R
Description
SPI Channel 0 Rx Data Register
SPI Channel 1 Rx Data Register
SPRDATn
Rx Data Register
Bit
Description
[7:0] This field contains the data to be received over the SPI channel
Reset Value
0x00
0x00
Initial State
0x00
Preliminary product information describes products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
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