MSP430x23x, MSP430x24x(1), MSP430x2410
MIXED SIGNAL MICROCONTROLLER
SLAS547A -- JUNE 2007 -- REVISED NOVEMBER 2007
calibration data stored in information memory segment A
Calibration data is stored for the DCO and for the ADC12. It is organized in a tag--length--value (TLV) structure.
TAGS USED BY THE ADC CALIBRATION TAGS
NAME
TAG_DCO_30
TAG_ADC12_1
TAG_EMPTY
ADDRESS
0x10F6
0x10DA
--
VALUE
0x01
0x10
0xFE
ADC12_1 calibration tag
Identifier for empty memory areas
DESCRIPTION
DCO frequency calibration at VCC = 3 V and T
A
= 25擄C at calibration
LABELS USED BY THE ADC CALIBRATION TAGS
LABEL
CAL_ADC_25T85
CAL_ADC_25T30
CAL_ADC_25VREF_FACTOR
CAL_ADC_15T85
CAL_ADC_15T30
CAL_ADC_15VREF_FACTOR
CAL_ADC_OFFSET
CAL_ADC_GAIN_FACTOR
CAL_BC1_1MHz
CAL_DCO_1MHz
CAL_BC1_8MHz
CAL_DCO_8MHz
CAL_BC1_12MHz
CAL_DCO_12MHz
CAL_BC1_16MHz
CAL_DCO_16MHz
CONDITION AT CALIBRATION / DESCRIPTION
INCHx = 0x1010; REF2_5 = 1, T
A
= 85擄C
INCHx = 0x1010; REF2_5 = 1, T
A
= 30擄C
REF2_5 = 1, T
A
= 30擄C, I
VREF+
= 1.0 mA
INCHx = 0x1010; REF2_5 = 0, T
A
= 85擄C
INCHx = 0x1010; REF2_5 = 0, T
A
= 30擄C
REF2_5 = 0, T
A
= 30擄C, I
VREF+
= 0.5 mA
External Vref = 1.5 V, f
ADC12CLK
= 5 MHz
External Vref = 1.5 V, f
ADC12CLK
= 5 MHz
--
--
--
--
--
--
--
--
SIZE
word
word
word
word
word
word
word
word
byte
byte
byte
byte
byte
byte
byte
byte
ADDRESS OFFSET
0x000E
0x000C
0x000A
0x0008
0x0006
0x0004
0x0002
0x0000
0x0007
0x0006
0x0005
0x0004
0x0003
0x0002
0x0001
0x0000
brownout, supply voltage supervisor
The brownout circuit is implemented to provide the proper internal reset signal to the device during power on
and power off. The supply voltage supervisor (SVS) circuitry detects if the supply voltage drops below a
user-selectable level and supports both supply voltage supervision (the device is automatically reset) and
supply voltage monitoring (SVM, the device is not automatically reset).
The CPU begins code execution after the brownout circuit releases the device reset. However, V
CC
may not
have ramped to V
CC(min)
at that time. The user must ensure that the default DCO settings are not changed until
V
CC
reaches V
CC(min)
. If desired, the SVS circuit can be used to determine when V
CC
reaches V
CC(min)
.
22
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
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