ACS_XTAL32K_CTRL
Bit Field |
Read/Write |
Field Name |
Description |
---|---|---|---|
26 |
W |
XTAL_N_OK_RESET |
Reset Xtal not ok sticky flag |
25 |
R |
XTAL_N_OK |
Xtal not ready sticky flag |
24 |
R |
READY |
Xtal ready status |
18 |
RW |
XIN_CAP_BYPASS_EN |
Switch to bypass the added XIN serial cap to reduce the leakage |
17 |
RW |
EN_AMPL_CTRL |
Xtal enable amplitude control (regulation) |
16 |
RW |
FORCE_READY |
Xtal bypass the ready detector |
13:8 |
RW |
CLOAD_TRIM |
Xtal load capacitance configuration |
7:4 |
RW |
ITRIM |
Xtal current trimming |
1 |
RW |
IBOOST |
Xtal current boosting (4x) |
0 |
RW |
ENABLE |
Enable the Xtal 32 kHz oscillator |
Bit Field |
Field Name |
Value Symbol |
Value Description |
Hex Value |
---|---|---|---|---|
26 |
XTAL_N_OK_RESET |
XTAL32K_NOT_OK_RESET |
Xtal 32K not reset |
0x1 |
25 |
XTAL_N_OK |
XTAL_OK |
Xtal 32K NOT OK sticky flag was not set |
0x0* |
|
|
XTAL_N_OK |
Xtal 32K NOT OK sticky flag was set |
0x1 |
24 |
READY |
XTAL32K_NOT_OK |
Xtal 32K not available |
0x0* |
|
|
XTAL32K_OK |
Xtal 32K is OK |
0x1 |
18 |
XIN_CAP_BYPASS_EN |
XTAL32K_XIN_CAP_BYPASS_DISABLE |
Disable the Xtal bypass switch of the XIN serial cap |
0x0* |
|
|
XTAL32K_XIN_CAP_BYPASS_ENABLE |
Enable the Xtal bypass switch of the XIN serial cap |
0x1 |
17 |
EN_AMPL_CTRL |
XTAL32K_AMPL_CTRL_DISABLE |
Xtal 32K amplitude control disabled |
0x0 |
|
|
XTAL32K_AMPL_CTRL_ENABLE |
Xtal 32K amplitude control enabled |
0x1* |
16 |
FORCE_READY |
XTAL32K_NOT_FORCE_READY |
Xtal 32K ready not forced |
0x0* |
|
|
XTAL32K_FORCE_READY |
Xtal 32K ready forced |
0x1 |
13:8 |
CLOAD_TRIM |
XTAL32K_CTRIM_0P0PF |
0 pF internal capacitor |
0x0 |
|
|
XTAL32K_CTRIM_0P4PF |
0.4 pF internal capacitor |
0x1 |
|
|
XTAL32K_CTRIM_8P8PF |
8.8 pF internal capacitor |
0x16* |
|
|
XTAL32K_CTRIM_25P2PF |
25.2 pF internal capacitor |
0x3F |
7:4 |
ITRIM |
XTAL32K_ITRIM_20NA |
20 nA startup current |
0x0 |
|
|
XTAL32K_ITRIM_80NA |
80 nA startup current |
0x3 |
|
|
XTAL32K_ITRIM_160NA |
160 nA startup current |
0x7* |
|
|
XTAL32K_ITRIM_320NA |
320 nA startup current |
0xF |
1 |
IBOOST |
XTAL32K_IBOOST_DISABLE |
Disable the Xtal 32 kHz current boosting mode |
0x0* |
|
|
XTAL32K_IBOOST_ENABLE |
Disable the Xtal 32 kHz enable boosting mode (4x itrim currents) |
0x1 |
0 |
ENABLE |
XTAL32K_DISABLE |
Disable the Xtal 32 kHz oscillator |
0x0* |
|
|
XTAL32K_ENABLE |
Enable the Xtal 32 kHz oscillator |
0x1 |