User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 543 of 909 2019 Ambiq Micro, Inc.
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12.2.2.15INTRPTEN Register
CLKGEN Interrupt Register: Enable
OFFSET: 0x00000100
INSTANCE 0 ADDRESS: 0x40004100
26:23
ZEROLENDE-
TECTTRIM
0x0 RW
BLEBUCK ZERO LENGTH DETECT TRIM
SetF = 0xF - Indicator send when the BLE BUCK asserts blebuck_comp1
for about 81us (10 percent margin of error) or more
SetE = 0xE - Indicator send when the BLE BUCK asserts blebuck_comp1
for about 75.6us (10 percent margin of error) or more
SetD = 0xD - Indicator send when the BLE BUCK asserts blebuck_comp1
for about 70.2us (10 percent margin of error) or more
SetC = 0xC - Indicator send when the BLE BUCK asserts blebuck_comp1
for about 64.8us (10 percent margin of error) or more
SetB = 0xB - Indicator send when the BLE BUCK asserts blebuck_comp1
for about 59.4us (10 percent margin of error) or more
SetA = 0xA - Indicator send when the BLE BUCK asserts blebuck_comp1
for about 54.0us (10 percent margin of error) or more
Set9 = 0x9 - Indicator send when the BLE BUCK asserts blebuck_comp1 for
about 48.6us (10 percent margin of error) or more
Set8 = 0x8 - Indicator send when the BLE BUCK asserts blebuck_comp1 for
about 43.2us (10 percent margin of error) or more
Set7 = 0x7 - Indicator send when the BLE BUCK asserts blebuck_comp1 for
about 37.8us (10 percent margin of error) or more
Set6 = 0x6 - Indicator send when the BLE BUCK asserts blebuck_comp1 for
about 32.4us (10 percent margin of error) or more
Set5 = 0x5 - Indicator send when the BLE BUCK asserts blebuck_comp1 for
about 27.0us (10 percent margin of error) or more
Set4 = 0x4 - Indicator send when the BLE BUCK asserts blebuck_comp1 for
about 21.6us (10 percent margin of error) or more
Set3 = 0x3 - Indicator send when the BLE BUCK asserts blebuck_comp1 for
about 16.2us (10 percent margin of error) or more
Set2 = 0x2 - Indicator send when the BLE BUCK asserts blebuck_comp1 for
about 10.8us (10 percent margin of error) or more
Set1 = 0x1 - Indicator send when the BLE BUCK asserts blebuck_comp1 for
about 5.4us (10 percent margin of error) or more
Set0 = 0x0 - Indicator send when the BLE BUCK asserts blebuck_comp1 for
about 2.0us (10 percent margin of error) or more
22 TONADJUSTEN 0x0 RW
TON ADJUST ENABLE
DIS = 0x0 - Disable Adjust for BLE BUCK TON trim
EN = 0x1 - Enable Adjust for BLE BUCK TON trim
21:20
TONADJUST-
PERIOD
0x0 RW
TON ADJUST PERIOD
HFRC_94KHz = 0x0 - Adjust done for every 1 94KHz period
19:10
TONHIGH-
THRESHOLD
0x0 RW
TON ADJUST HIGH THRESHOLD. Suggested values are #15(94KHz)
#2A(47Khz) #A6(12Khz) #29A(3Khz)
9:0
TONLOW-
THRESHOLD
0x0 RW
TON ADJUST LOW THRESHOLD. Suggested values are #A(94KHz)
#15(47KHz) #53(12Khz) #14D(3Khz)
Table 787: BLEBUCKTONADJ Register Bits
Bit Name Reset RW Description