Samsung S3C2416 User Manual page 313

S3C2416X RISC MICROPROCESSOR
1.5.2 Tick Time Count Register 0 (TICNT0)
The TICNT0 register determines tick interrupt enable and tick counter value
S3C2416 supports 32bits tic time counter.
So, from 14 to 8bits of 32bit tick time count value is selected at TICNT0 register (TICNT0[6:0]).
Lower 8bits of 15bit tick time count value is selected at TICNT1 register (TICNT1[7:0]).
Upper 17 bits of 32bit tick time count value is selected at TICNT2 register (TICNT0[16:0]).
Tick time count value = (TICK TIME COUNT 0) x 2
15
x 2
Register
TICNT0 0x57000044
TICNT
TICK INT ENABLE
TICK TIME COUNT 0
1.5.3 Tick Time Count Register 1 (TICNT1)
Register
TICNT1 0x5700004C
TICNT1
TICK TIME COUNT 1
Address R/W
R/W
Bit
[7] Tick time interrupt enable.
0 = Disable
1 = Enable
[6:0] [14:8] bits of 32 bit tick time count value
Address R/W
R/W
Bit
[7:0] Lower 8 bits of 32bit tick time count value
NOTE
8
+ (T ICK TIME COUNT 1) + (TICK TIME COUNT2)
Description
Tick time count register
Description
Description
Tick time count register 1
Description
REAL TIME CLOCK
Reset Value
0x00
Initial State
b'0
b'0
Reset Value
0x00
Initial State
b'000000
13-9