參數(shù)資料
型號(hào)： MSP430AFE231IPW
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, RISC MICROCONTROLLER, PDSO24
封裝： GREEN, PLASTIC, TSSOP-24
文件頁數(shù)： 18/47頁
文件大?。?/td> 900K
代理商： MSP430AFE231IPW
DCO(RSEL,DCO)
DCO(RSEL,DCO+1)
average
DCO(RSEL,DCO)
DCO(RSEL,DCO+1)
32 × f
× f
f
=
MOD × f
+ (32 – MOD) × f
MSP430AFE2x3
MSP430AFE2x2
MSP430AFE2x1
SLAS701A
– NOVEMBER 2010 – REVISED MARCH 2011
Main DCO Characteristics
All ranges selected by RSELx overlap with RSELx + 1: RSELx = 0 overlaps RSELx = 1, ... RSELx = 14
overlaps RSELx = 15.
DCO control bits DCOx have a step size as defined by parameter SDCO.
Modulation control bits MODx select how often fDCO(RSEL,DCO+1) is used within the period of 32 DCOCLK
cycles. The frequency fDCO(RSEL,DCO) is used for the remaining cycles. The frequency is an average equal to:
DCO Frequency
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
RSELx
< 14
1.8
3.6
VCC
Supply voltage range
RSELx = 14
2.2
3.6
V
RSELx = 15
3.0
3.6
fDCO(0,0)
DCO frequency (0, 0)
RSELx = 0, DCOx = 0, MODx = 0
3.3 V
0.06
0.10
0.14
MHz
fDCO(0,3)
DCO frequency (0, 3)
RSELx = 0, DCOx = 3, MODx = 0
3.3 V
0.12
MHz
fDCO(1,3)
DCO frequency (1, 3)
RSELx = 1, DCOx = 3, MODx = 0
3.3 V
0.15
MHz
fDCO(2,3)
DCO frequency (2, 3)
RSELx = 2, DCOx = 3, MODx = 0
3.3 V
0.21
MHz
fDCO(3,3)
DCO frequency (3, 3)
RSELx = 3, DCOx = 3, MODx = 0
3.3 V
0.30
MHz
fDCO(4,3)
DCO frequency (4, 3)
RSELx = 4, DCOx = 3, MODx = 0
3.3 V
0.41
MHz
fDCO(5,3)
DCO frequency (5, 3)
RSELx = 5, DCOx = 3, MODx = 0
3.3 V
0.58
MHz
fDCO(6,3)
DCO frequency (6, 3)
RSELx = 6, DCOx = 3, MODx = 0
3.3 V
0.80
MHz
fDCO(7,3)
DCO frequency (7, 3)
RSELx = 7, DCOx = 3, MODx = 0
3.3 V
1.15
MHz
fDCO(8,3)
DCO frequency (8, 3)
RSELx = 8, DCOx = 3, MODx = 0
3.3 V
1.60
MHz
fDCO(9,3)
DCO frequency (9, 3)
RSELx = 9, DCOx = 3, MODx = 0
3.3 V
2.30
MHz
fDCO(10,3)
DCO frequency (10, 3)
RSELx = 10, DCOx = 3, MODx = 0
3.3 V
3.40
MHz
fDCO(11,3)
DCO frequency (11, 3)
RSELx = 11, DCOx = 3, MODx = 0
3.3 V
4.25
MHz
fDCO(12,3)
DCO frequency (12, 3)
RSELx = 12, DCOx = 3, MODx = 0
3.3 V
5.80
M Hz
fDCO(13,3)
DCO frequency (13, 3)
RSELx = 13, DCOx = 3, MODx = 0
3.3 V
7.80
MHz
fDCO(14,3)
DCO frequency (14, 3)
RSELx = 14, DCOx = 3, MODx = 0
3.3 V
8.6
11.25
13.9
MHz
fDCO(15,3)
DCO frequency (15, 3)
RSELx = 15, DCOx = 3, MODx = 0
3.3 V
15.30
MHz
fDCO(15,7)
DCO frequency (15, 7)
RSELx = 15, DCOx = 7, MODx = 0
3.3 V
21.00
MHz
Frequency step between
SRSEL
SRSEL = fDCO(RSEL+1,DCO)/fDCO(RSEL,DCO)
3.3 V
1.35
ratio
range RSEL and RSEL+1
Frequency step between tap
SDCO
SDCO = fDCO(RSEL,DCO+1)/fDCO(RSEL,DCO)
3.3 V
1.08
ratio
DCO and DCO+1
Duty cycle
Measured at SMCLK output
3.3 V
50
%
Copyright
2010–2011, Texas Instruments Incorporated
25
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSP430AFE231IPWR 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430AFE232IPW 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430AFE232IPWR 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430AFE233IPW 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430AFE233IPWR 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
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