參數(shù)資料
型號(hào): MSP430F5131IDA
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, RISC MICROCONTROLLER, PDSO38
封裝: GREEN, PLASTIC, TSSOP-38
文件頁(yè)數(shù): 46/102頁(yè)
文件大小: 1183K
代理商: MSP430F5131IDA
0
1
2
3
4
5
6
7
Typical DCO Frequency, V
= 3.0 V, T = 25°C
CC
A
DCORSEL
100
10
1
0.1
f
MHz
DCO
DCOx = 31
DCOx = 0
MSP430F51x1
MSP430F51x2
SLAS619A
– AUGUST 2010 – REVISED AUGUST 2011
DCO Frequency
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fDCO(0,0)
DCO frequency (0, 0)
DCORSELx = 0, DCOx = 0, MODx = 0
0.07
0.20
MHz
fDCO(0,31)
DCO frequency (0, 31)
DCORSELx = 0, DCOx = 31, MODx = 0
0.70
1.70
MHz
fDCO(1,0)
DCO frequency (1, 0)
DCORSELx = 1, DCOx = 0, MODx = 0
0.15
0.38
MHz
fDCO(1,31)
DCO frequency (1, 31)
DCORSELx = 1, DCOx = 31, MODx = 0
1.47
3.45
MHz
fDCO(2,0)
DCO frequency (2, 0)
DCORSELx = 2, DCOx = 0, MODx = 0
0.32
0.75
MHz
fDCO(2,31)
DCO frequency (2, 31)
DCORSELx = 2, DCOx = 31, MODx = 0
3.17
7.38
MHz
fDCO(3,0)
DCO frequency (3, 0)
DCORSELx = 3, DCOx = 0, MODx = 0
0.64
1.51
MHz
fDCO(3,31)
DCO frequency (3, 31)
DCORSELx = 3, DCOx = 31, MODx = 0
6.07
14.0
MHz
fDCO(4,0)
DCO frequency (4, 0)
DCORSELx = 4, DCOx = 0, MODx = 0
1.3
3.2
MHz
fDCO(4,31)
DCO frequency (4, 31)
DCORSELx = 4, DCOx = 31, MODx = 0
12.3
28.2
MHz
fDCO(5,0)
DCO frequency (5, 0)
DCORSELx = 5, DCOx = 0, MODx = 0
2.5
6.0
MHz
fDCO(5,31)
DCO frequency (5, 31)
DCORSELx = 5, DCOx = 31, MODx = 0
23.7
54.1
MHz
fDCO(6,0)
DCO frequency (6, 0)
DCORSELx = 6, DCOx = 0, MODx = 0
4.6
10.7
MHz
fDCO(6,31)
DCO frequency (6, 31)
DCORSELx = 6, DCOx = 31, MODx = 0
39.0
88.0
MHz
fDCO(7,0)
DCO frequency (7, 0)
DCORSELx = 7, DCOx = 0, MODx = 0
8.5
19.6
MHz
fDCO(7,31)
DCO frequency (7, 31)
DCORSELx = 7, DCOx = 31, MODx = 0
60
135
MHz
Frequency step between range
SDCORSEL
SRSEL = fDCO(DCORSEL+1,DCO)/fDCO(DCORSEL,DCO)
1.2
2.4
ratio
DCORSEL and DCORSEL + 1
Frequency step between tap
SDCO
SDCO = fDCO(DCORSEL,DCO+1)/fDCO(DCORSEL,DCO)
1.02
1.12
ratio
DCO and DCO + 1
Duty cycle
Measured at SMCLK
40
50
60
%
dfDCO/dT
DCO frequency temperature drift
fDCO = 1 MHz, VCORE = 1.2 V/2.0 V
0.1
%/
°C
dfDCO/dVCORE
DCO frequency voltage drift
fDCO = 1 MHz
1.9
%/V
Figure 22. Typical DCO frequency
48
Copyright
2010–2011, Texas Instruments Incorporated
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