参数资料
型号: MSP430F6638IPZR
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP100
封装: PLASTIC, QFP-100
文件页数: 53/105页
文件大小: 1077K
代理商: MSP430F6638IPZR
PRODUCTPREVIEW
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
MSP430F663x
www.ti.com
SLAS566A – JUNE 2010 – REVISED JULY 2010
DCO Frequency (continued)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
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
2.3
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,
0.1
%/°C
dfDCO/dVCC
DCO frequency voltage drift
fDCO = 1 MHz
1.9
%/V
Figure 2. Typical DCO frequency
PMM, Brown-Out Reset (BOR)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
BORH on voltage,
V(DVCC_BOR_IT–)
| dDVCC/dt | < 3 V/s
1.45
V
DVCC falling level
BORH off voltage,
V(DVCC_BOR_IT+)
| dDVCC/dt | < 3 V/s
0.80
1.30
1.50
V
DVCC rising level
V(DVCC_BOR_hys)
BORH hysteresis
60
250
mV
Pulse length required at
tRESET
RST/NMI pin to accept a
2
s
reset
PMM, Core Voltage
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Core voltage, active
VCORE3(AM)
2.4 V
≤ DVCC ≤ 3.6 V, 0 mA ≤ I(VCORE) ≤ 21 mA
1.90
V
mode, PMMCOREV = 3
Core voltage, active
VCORE2(AM)
2.2 V
≤ DVCC ≤ 3.6 V, 0 mA ≤ I(VCORE) ≤ 21 mA
1.80
V
mode, PMMCOREV = 2
Core voltage, active
VCORE1(AM)
2 V
≤ DVCC ≤ 3.6 V, 0 mA ≤ I(VCORE) ≤ 17 mA
1.60
V
mode, PMMCOREV = 1
Copyright 2010, Texas Instruments Incorporated
51
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