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PRELIMINARY
SYSTEM CONTROLLER
S3C6400X RISC MICROPROCESSOR
3-28
Preliminary product information describe 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.
ARM_RATIO [2:0]
DIV
ARM
clock divider ratio
ARMCLK = DOUT
APLL
/ (ARM 1)
0x0
CLK_DIV1 controls MMC, LCD, TV scaler, and UHOST clocks.
CLK_DIV1
BIT
DESCRIPTION
RESET VALUE
RESERVED [31:24]
RESERVED
0x0
UHOST_RATIO [23:20]
USB host clock divider ratio
CLKUHOST = CLKUHOST
IN
/ (UHOST 1)
0x0
SCALER_RATIO [19:16]
TV Scaler clock divider ratio
CLKSCALER = CLKSCALER
IN
/ (SCALER 1)
0x0
LCD_RATIO [15:12]
LCD clock divider ratio
CLKLCD = CLKLCD
IN
/ (LCD 1)
0x0
MMC2_RATIO [11:8]
MMC2 clock divider ratio
CLKMMC2 = CLKMMC2
IN
/ (MMC2 1)
0x0
MMC1_RATIO [7:4]
MMC1 clock divider ratio
CLKMMC1 = CLKMMC1
IN
/ (MMC1 1)
0x0
MMC0_RATIO [3:0]
MMC0 clock divider ratio
CLKMMC0 = CLKMMC0
IN
/ (MMC0 1)
0x0
CLK_DIV2 controls SPI, AUDIO, UART, and IrDA clocks.
CLK_DIV2
BIT
DESCRIPTION
RESET VALUE
RESERVED [31:24]
RESERVED
0x0
IRDA_RATIO [23:20]
IRDA clock divider ratio
CLKIRDA = CLKIRDA
IN
/ (IRDA 1)
0x0
UART_RATIO [19:16]
UART clock divider ratio
CLKUART = CLKUART
IN
/ (UART 1)
0x0
AUDIO1_RATIO [15:12]
AUDIO1 clock divider ratio
CLKAUDIO1 = CLKAUDIO1
IN
/ (AUDIO1 1)
0x0
AUDIO0_RATIO [11:8]
AUDIO0 clock divider ratio
CLKAUDIO0 = CLKAUDIO0
IN
/ (AUDIO0 1)
0x0
SPI1_RATIO [7:4]
SPI1 clock divider ratio
CLKSPI1 = CLKSPI1
IN
/ (SPI1 1)
0x0
SPI0_RATIO [3:0]
SPI0 clock divider ratio
CLKSPI0 = CLKSPI0
IN
/ (SPI0 1)
0x0