View source for TIMER Registers

There are 4 timers. These timers run at a frequency of 67,027,964.0 ± 2<sup>-32</sup> Hz (i.e. exactly half the ARM9 clock frequency).

= Registers =
{| class="wikitable" border="1"
!  Old3DS
!  Name
!  Address
!  Width
!  Used by
|-
| style="background: green" | Yes
| [[#TIMER_VAL|TIMER_VAL]](n)
| 0x10003000 + 4*n
| 2
| Boot9, Kernel9
|-
| style="background: green" | Yes
| [[#TIMER_CNT|TIMER_CNT]](n)
| 0x10003002 + 4*n
| 2
| Boot9, Kernel9
|}

== TIMER_VAL ==
Writing to TIMER_VAL loads a starting value for one of the 4 timers, while reading it will show the current timer value.

== TIMER_CNT ==
{| class="wikitable" border="1"
!  Bit
!  Description
|-
| 1-0
| Prescaler select (0=F/1, 1=F/64, 2=F/256, 3=F/1024)
|-
| 2
| Count-up (0=Disabled, 1=Enabled)
|-
| 5-3
| Not used
|-
| 6
| IRQ enable (0=Disabled, 1=IRQ on timer value overflow)
|-
| 7
| Start/Stop (0=Stop, 1=Start)
|}

== Count-up ==
When count-up is enabled, the timer value will increase every time the previous timer overflows.