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| 型号： | MSP430G2303IRHB32 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQCC32 |
| 封装： | PLASTIC, QFN-32 |
| 文件页数： | 4/63页 |
| 文件大小： | 831K |
| 代理商： | MSP430G2303IRHB32 |
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MSP430G2x33
MSP430G2x03
SLAS734C
– APRIL 2011 – REVISED AUGUST 2011
Peripherals
Peripherals are connected to the CPU through data, address, and control buses and can be handled using all
instructions. For complete module descriptions, see the MSP430x2xx Family User
's Guide (SLAU144).
Oscillator and System Clock
The clock system is supported by the basic clock module that includes support for a 32768-Hz watch crystal
oscillator, an internal very-low-power low-frequency oscillator and an internal digitally controlled oscillator (DCO).
The basic clock module is designed to meet the requirements of both low system cost and low power
consumption. The internal DCO provides a fast turn-on clock source and stabilizes in less than 1
s. The basic
clock module provides the following clock signals:
Auxiliary clock (ACLK), sourced either from a 32768-Hz watch crystal or the internal LF oscillator.
Main clock (MCLK), the system clock used by the CPU.
Sub-Main clock (SMCLK), the sub-system clock used by the peripheral modules.
The DCO settings to calibrate the DCO output frequency are stored in the information memory segment A.
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
DCO frequency calibration at VCC = 3 V and TA = 30°C at
TAG_DCO_30
0x10F6
0x01
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 / DESCRIPTION
OFFSET
CAL_ADC_25T85
0x0010
word
INCHx = 0x1010, REF2_5 = 1, TA = 85°C
CAL_ADC_25T30
0x000E
word
INCHx = 0x1010, REF2_5 = 1, TA = 30°C
CAL_ADC_25VREF_FACTOR
0x000C
word
REF2_5 = 1, TA = 30°C, IVREF+ = 1 mA
CAL_ADC_15T85
0x000A
word
INCHx = 0x1010, REF2_5 = 0, TA = 85°C
CAL_ADC_15T30
0x0008
word
INCHx = 0x1010, REF2_5 = 0, TA = 30°C
CAL_ADC_15VREF_FACTOR
0x0006
word
REF2_5 = 0, TA = 30°C, IVREF+ = 0.5 mA
CAL_ADC_OFFSET
0x0004
word
External VREF = 1.5 V, fADC10CLK = 5 MHz
CAL_ADC_GAIN_FACTOR
0x0002
word
External VREF = 1.5 V, fADC10CLK = 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.
12
Copyright
2011, Texas Instruments Incorporated
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| MSP430G2303IRHB32R | 功能描述:16位微控制器 - MCU Mixed Signal MCU RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| MSP430G2303IRHB32T | 功能描述:16位微控制器 - MCU Mixed Signal MCU RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
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