Technical Reference Manual
002-29852 Rev. *B
26.8.27 CLK_ECO_CONFIG
Description:
ECO Configuration Register
Address:
0x4026151C
Offset:
0x151C
Retention:
Retained
IsDeepSleep:
Yes
Comment:
Internal high speed oscillator configuration register for External-Crystal.
Default:
0x2
Bit-field Table
Bits
7
6
5
4
3
2
1
0
Name
None [7:2]
AGC_EN
[1:1]
None [0:0]
Bits
15
14
13
12
11
10
9
8
Name
None [15:8]
Bits
23
22
21
20
19
18
17
16
Name
None [23:16]
Bits
31
30
29
28
27
26
25
24
Name
ECO_EN
[31:31]
None [30:29]
ECO_DIV
_ENABLE
[28:28]
ECO_DIV
_DISABLE
[27:27]
None [26:24]
Bit-fields
Bits Name
SW
HW
Default or
Enum
Description
1
AGC_EN
RW
R
1
Automatic Gain Control (AGC) enable. When set, the
oscillation amplitude is controlled to the level selected
by CLK_ECO_CONFIG2.ATRIM. When low, the
amplitude is not explicitly controlled and can be as
high as the vddd supply. WARNING: use care when
disabling AGC because driving a crystal beyond its
rated limit can permanently damage the crystal.
27
ECO_DIV_DISABLE
RW
RW1C
0
ECO prescaler disable command (mutually exclusive
with ECO_DIV_ENABLE). SW sets this field to '1' and
HW sets this field to '0'.
HW sets ECO_DIV_DISABLE field to '0' immediately
and HW sets CLK_ECO_PRESCALE.ECO_DIV_EN
field to '0' immediately.
28
ECO_DIV_ENABLE
RW
RW1C
0
ECO prescaler enable command (mutually exclusive
with ECO_DIV_DISABLE). ECO Prescaler only works
in ACTIVE and SLEEP modes. SW sets this field to '1'
to enable the divider and HW sets this field to '0' to
indicate that divider enabling has completed. When the
divider is enabled, its integer and fractional counters
are initialized to '0'. If a divider is to be re-enabled
using different integer and fractional divider values, the
SW should follow these steps:
0: Disable the divider using the ECO_DIV_DISABLE
field.
1: Configure CLK_ECO_PRESCALE registers.
2: Enable the divider using the ECO_DIV_ENABLE
field.
HW sets the ECO_DIV_ENABLE field to '0' when the
enabling is performed and HW set
CLK_ECO_PRESCALER.ENABLED to '1' when the
enabling is performed.
1666
2022-04-18
TRAVEO™ T2G Automotive MCU: TVII-B-E-4M body controller entry registers