Samsung S5PC100 User Manual page 605

SYSTEM TIMER
7.2 DETAILED DESCRIPTION
7.2.1 TIMER CONFIGURATION REGISTER (TCFG, R/W, Address = EA10_0000)
Timer Input Clock Frequency = TCLKB / ( {prescaler value + 1} ) / {divider value}
{prescaler value} = 1~63 / {divider value} = 1, 2, 4, 8, 16
TCFG
TCLKB MUX
[13:12]
Divider MUX
[10:8]
IWIE
TWIE
Prescaler [5:0]
7.2-8
Bit
Selects clock input for TCLKB
00 = XXTI
01 = XrtcXTI
10 = XusbXTI
11 = PCLKD1 (APB)
Usable clock source is restricted by power mode & oscillator pad
configuration.
XrtcXTI for any power mode & oscillator pad configuration.
XXTI & XusbXTI for any power mode with turning on OSCs (XXTI
and XusbXTI)
PCLKD1 for just normal & idle mode
To get detailed information, refer PMU (Power Management Unit)
user's manual.
Selects Mux input for Timer
000 = 1
001 = 1/2
010 = 1/4
011 = 1/8
100 = 1/16
ICNTB write Interrupt Enable / 0: Disable, 1: Enable
[7]
[6] TCON Write Interrupt Enable / 0: Disable, 1: Enable
Prescaler value for timer
S5PC100 USER'S MANUAL (REV1.0)
Description Reset Value
0x0
0x0
0x0
0x0
0x00