Datasheet

MSP430G2x53
MSP430G2x13
www.ti.com SLAS735J –APRIL 2011–REVISED MAY 2013
Calibration Data Stored in Information Memory Segment A
Calibration data is stored for both the DCO and for ADC10 organized in a tag-length-value structure.
Table 10. Tags Used by the ADC Calibration Tags
NAME ADDRESS VALUE DESCRIPTION
TAG_DCO_30 0x10F6 0x01 DCO frequency calibration at V
CC
= 3 V and T
A
= 30°C at calibration
TAG_ADC10_1 0x10DA 0x10 ADC10_1 calibration tag
TAG_EMPTY - 0xFE Identifier for empty memory areas
Table 11. Labels Used by the ADC Calibration Tags
ADDRESS
LABEL SIZE CONDITION AT CALIBRATION AND DESCRIPTION
OFFSET
CAL_ADC_25T85 0x0010 word INCHx = 0x1010, REF2_5 = 1, T
A
= 85°C
CAL_ADC_25T30 0x000E word INCHx = 0x1010, REF2_5 = 1, T
A
= 30°C
CAL_ADC_25VREF_FACTOR 0x000C word REF2_5 = 1, T
A
= 30°C, I
VREF+
= 1 mA
CAL_ADC_15T85 0x000A word INCHx = 0x1010, REF2_5 = 0, T
A
= 85°C
CAL_ADC_15T30 0x0008 word INCHx = 0x1010, REF2_5 = 0, T
A
= 30°C
CAL_ADC_15VREF_FACTOR 0x0006 word REF2_5 = 0, T
A
= 30°C, I
VREF+
= 0.5 mA
CAL_ADC_OFFSET 0x0004 word External VREF = 1.5 V, f
ADC10CLK
= 5 MHz
CAL_ADC_GAIN_FACTOR 0x0002 word External VREF = 1.5 V, f
ADC10CLK
= 5 MHz
CAL_BC1_1MHZ 0x0009 byte -
CAL_DCO_1MHZ 0x0008 byte -
CAL_BC1_8MHZ 0x0007 byte -
CAL_DCO_8MHZ 0x0006 byte -
CAL_BC1_12MHZ 0x0005 byte -
CAL_DCO_12MHZ 0x0004 byte -
CAL_BC1_16MHZ 0x0003 byte -
CAL_DCO_16MHZ 0x0002 byte -
Brownout
The brownout circuit is implemented to provide the proper internal reset signal to the device during power on and
power off.
Digital I/O
Up to three 8-bit I/O ports are implemented:
• All individual I/O bits are independently programmable.
• Any combination of input, output, and interrupt condition (port P1 and port P2 only) is possible.
• Edge-selectable interrupt input capability for all bits of port P1 and port P2 (if available).
• Read/write access to port-control registers is supported by all instructions.
• Each I/O has an individually programmable pullup or pulldown resistor.
• Each I/O has an individually programmable pin oscillator enable bit to enable low-cost capacitive touch
detection.
Watchdog Timer (WDT+)
The primary function of the watchdog timer (WDT+) module is to perform a controlled system restart after a
software problem occurs. If the selected time interval expires, a system reset is generated. If the watchdog
function is not needed in an application, the module can be disabled or configured as an interval timer and can
generate interrupts at selected time intervals.
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