參數(shù)資料
型號(hào)： MSP430F2131TRGET
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQCC24
封裝： GREEN, PLASTIC, QFN-24
文件頁(yè)數(shù)： 14/57頁(yè)
文件大?。?/td> 1276K
代理商： MSP430F2131TRGET
MSP430x21x1
MIXED SIGNAL MICROCONTROLLER
SLAS439D -- SEPTEMBER 2004 -- REVISED SEPTEMBER 2010
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
main DCO characteristics
D
All ranges selected by RSELx overlap with RSELx + 1: RSELx = 0 overlaps RSELx = 1, ... RSELx = 14
overlaps RSELx = 15.
D
DCO control bits DCOx have a step size as defined by parameter SDCO.
D
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:
faverage =
32 × fDCO(RSEL,DCO) × fDCO(RSEL,DCO+1)
MOD × fDCO(RSEL,DCO)+(32MOD) × fDCO(RSEL,DCO+1)
DCO frequency
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
RSELx < 14
1.8
3.6
V
Vcc
Supply voltage range
RSELx = 14
2.2
3.6
V
Vcc
Supply voltage range
RSELx = 15
3.0
3.6
V
fDCO(0,0)
DCO frequency (0, 0)
RSELx = 0, DCOx = 0, MODx = 0
2.2 V/3 V
0.06
0.14
MHz
fDCO(0,3)
DCO frequency (0, 3)
RSELx = 0, DCOx = 3, MODx = 0
2.2 V/3 V
0.07
0.17
MHz
fDCO(1,3)
DCO frequency (1, 3)
RSELx = 1, DCOx = 3, MODx = 0
2.2 V/3 V
0.10
0.20
MHz
fDCO(2,3)
DCO frequency (2, 3)
RSELx = 2, DCOx = 3, MODx = 0
2.2 V/3 V
0.14
0.28
MHz
fDCO(3,3)
DCO frequency (3, 3)
RSELx = 3, DCOx = 3, MODx = 0
2.2 V/3 V
0.20
0.40
MHz
fDCO(4,3)
DCO frequency (4, 3)
RSELx = 4, DCOx = 3, MODx = 0
2.2 V/3 V
0.28
0.54
MHz
fDCO(5,3)
DCO frequency (5, 3)
RSELx = 5, DCOx = 3, MODx = 0
2.2 V/3 V
0.39
0.77
MHz
fDCO(6,3)
DCO frequency (6, 3)
RSELx = 6, DCOx = 3, MODx = 0
2.2 V/3 V
0.54
1.06
MHz
fDCO(7,3)
DCO frequency (7, 3)
RSELx = 7, DCOx = 3, MODx = 0
2.2 V/3 V
0.80
1.50
MHz
fDCO(8,3)
DCO frequency (8, 3)
RSELx = 8, DCOx = 3, MODx = 0
2.2 V/3 V
1.10
2.10
MHz
fDCO(9,3)
DCO frequency (9, 3)
RSELx = 9, DCOx = 3, MODx = 0
2.2 V/3 V
1.60
3.00
MHz
fDCO(10,3)
DCO frequency (10, 3)
RSELx = 10, DCOx = 3, MODx = 0
2.2 V/3 V
2.50
4.30
MHz
fDCO(11,3)
DCO frequency (11, 3)
RSELx = 11, DCOx = 3, MODx = 0
2.2 V/3 V
3.00
5.50
MHz
fDCO(12,3)
DCO frequency (12, 3)
RSELx = 12, DCOx = 3, MODx = 0
2.2 V/3 V
4.30
7.30
MHz
fDCO(13,3)
DCO frequency (13, 3)
RSELx = 13, DCOx = 3, MODx = 0
2.2 V/3 V
6.00
9.60
MHz
fDCO(14,3)
DCO frequency (14, 3)
RSELx = 14, DCOx = 3, MODx = 0
2.2 V/3 V
8.60
13.9
MHz
fDCO(15,3)
DCO frequency (15, 3)
RSELx = 15, DCOx = 3, MODx = 0
3V
12.0
18.5
MHz
fDCO(15,7)
DCO frequency (15, 7)
RSELx = 15, DCOx = 7, MODx = 0
3V
16.0
26.0
MHz
SRSEL
Frequency step between
range RSEL and RSEL+1
SRSEL =
fDCO(RSEL+1,DCO)/fDCO(RSEL,DCO)
2.2 V/3 V
1.55
ratio
SDCO
Frequency step between
tap DCO and DCO+1
SDCO =
fDCO(RSEL,DCO+1)/fDCO(RSEL,DCO)
2.2 V/3 V
1.05
1.08
1.12
ratio
Duty Cycle
Measured at P1.4/SMCLK
2.2 V/3 V
40
50
60
%
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