参数资料
型号: MSP430F4793IPZ
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, PQFP100
封装: GREEN, PLASTIC, QFP-100
文件页数: 24/79页
文件大小: 1322K
代理商: MSP430F4793IPZ
MSP430F47x3, MSP430F47x4
MIXED SIGNAL MICROCONTROLLER
SLAS545C MAY 2007 REVISED MARCH 2011
30
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
POR/brownout reset (BOR) (see Notes 1 and 2)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
VCC(start)
dVCC/dt ≤ 3 V/s
0.7
× V(B_IT)
V
V(B_IT)
(see Figure 8 through Figure 10)
dVCC/dt ≤ 3 V/s
1.71
V
Vhys(B_IT)
dVCC/dt ≤ 3 V/s
70
130
180
mV
td(BOR)
2000
μs
t(reset)
Pulse length needed at RST/NMI pin
to accepted reset internally
2.2 V/3 V
2
μs
NOTES:
1. The current consumption of the brownout module is already included in the ICC current consumption data.
The voltage level V(B_IT) + Vhys(B_IT) is ≤ 1.8V.
2. During power up, the CPU begins code execution following a period of td(BOR) after VCC = V(B_IT) + Vhys(B_IT). The default FLL+
settings must not be changed until VCC ≥ VCC(min), where VCC(min) is the minimum supply voltage for the desired operating frequency.
See the MSP430x4xx Family User’s Guide (SLAU056) for more information on the brownout/SVS circuit.
0
1
t d(BOR)
VCC
V(B_IT)
Vhys(B_IT)
VCC(start)
Figure 8. POR/Brownout Reset (BOR) vs Supply Voltage
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