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Table 4-18 SP810_CTRL Register bit assignments
Bits
Name
Function
[31:22]
-
Reserved. If you write to this register,
you must write all zeros to these bits. If
you read this register, you must ignore
these bits.
[21]
TimerEn3Sel
Selects the source clock for SP804 3
timer clock
TIM_CLK[3]
:
0b0
TIM_CLK[3]
=
32kHz
.
0b1
TIM_CLK[3]
=
1MHz
.
Note
The default is
0b0
.
[20]
-
Reserved. If you write to this register,
you must write all zeros to these bits. If
you read this register, you must ignore
these bits.
[19]
TimerEn2Sel
Selects the source clock for SP804 2
timer clock
TIM_CLK[2]
:
0b0
TIM_CLK[2]
=
32kHz
.
0b1
TIM_CLK[2]
=
1MHz
.
Note
The default is
0b0
.
[18]
-
Reserved. If you write to this register,
you must write all zeros to these bits. If
you read this register, you must ignore
these bits.
[17]
TimerEn1Sel
Selects the source clock for SP804 1
timer clock
TIM_CLK[1]
:
0b0
TIM_CLK[1]
=
32kHz
.
0b1
TIM_CLK[1]
=
1MHz
.
Note
The default is
0b0
.
[16]
-
Reserved. If you write to this register,
you must write all zeros to these bits. If
you read this register, you must ignore
these bits.
4 Programmers Model
4.3 APB system registers
ARM 100114_0200_03_en
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