Samsung S3C2451X User Manual page 341

S3C2451
RISC MICROPROCESSOR
14.6.2 Tick Time Count Register 0 (TICNT0)
The TICNT0 register determines tick interrupt enable and tick counter value
S3C2451X 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]).
NOTES:
Tick time count value = (TICK TIME COUNT 0) x 2
15
COUNT2) x 2
Register Address
TICNT0
0x57000044
TICNT
TICK INT ENABLE
TICK TIME COUNT 0
14.6.3 Tick Time Count Register 1 (TICNT1)
Register Address
TICNT1
0x5700004C
TICNT1
TICK TIME COUNT 1
14.6.4 Tick Time Count Register 2 (TICNT2)
Register Address
TICNT2
0x57000048
TICNT2
TICK TIME COUNT 2
R/W
R/W
Bit
Tick time interrupt enable.
[7]
0 = Disable
[14:8]bits of 32 bit tick time count value
[6:0]
R/W
R/W
Bit
Lower 8 bits of 32bit tick time count value
[7:0]
R/W
R/W
Bit
High 17 bits of 32bit tick time count value
[16:0]
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.
8
+ (T ICK TIME COUNT 1) + (TICK TIME
Description
Tick time count register
Description
1 = Enable
Description
Tick time count register 1
Description
Description
Tick time count register 2
Description
Real Time Clock
Reset Value
0x00
Initial State
b'0
b'0
Reset Value
0x00
Initial State
b'000000
Reset Value
0x00
Initial State
b'000000
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