MSP430F6779A Datasheet, PDF (43/176 Pages) Texas Instruments – Polyphase Metering SoCs

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MSP430F6779A, MSP430F6778A, MSP430F6777A, MSP430F6776A, MSP430F6775A
MSP430F6769A, MSP430F6768A, MSP430F6767A, MSP430F6766A, MSP430F6765A
MSP430F6749A, MSP430F6748A, MSP430F6747A, MSP430F6746A, MSP430F6745A
SLAS982 – MAY 2014
Table 5-25. Auxiliary Supplies, Charge Limiting Resistor
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
CHCx = 1
V_CC
MIN
3V
R_CHARGE Charge limiting resistor
CHCx = 2
3V
CHCx = 3
3V
TYP MAX UNIT
5
10 kΩ
20
5.8.4 Timer_A
Table 5-26. Timer_A
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Internal: SMCLK or ACLK,
f_TA
Timer_A input clock frequency
External: TACLK,
Duty cycle = 50% ± 10%
V_CC
1.8 V, 3 V
MIN TYP
t_TA,cap
Timer_A capture timing
All capture inputs, Minimum pulse
duration required for capture
1.8 V, 3 V
20
MAX UNIT
25 MHz
ns
5.8.5 eUSCI
f_eUSCI
f_BITCLK
Table 5-27. eUSCI (UART Mode), Recommended Operating Conditions
PARAMETER
eUSCI input clock frequency
BITCLK clock frequency
(equals baud rate in MBaud)
CONDITIONS
Internal: SMCLK or ACLK,
External: UCLK,
Duty cycle = 50% ± 10%
V_CC
MIN TYP MAX UNIT
f_SYSTEM MHz
5 MHz
Table 5-28. eUSCI (UART Mode)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
UCGLITx = 0
V_CC
MIN TYP MAX UNIT
10
15
25
t_t
UART receive deglitch time⁽¹⁾
UCGLITx = 1
UCGLITx = 2
2 V, 3 V
30
50
85
ns
50
80
150
UCGLITx = 3
70 120
200
(1) Pulses on the UART receive input (UCxRX) shorter than the UART receive deglitch time are suppressed. To make sure that pulses are
correctly recognized, their duration should exceed the maximum specification of the deglitch time.
Copyright © 2014, Texas Instruments Incorporated
Specifications
43
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MSP430F6769A MSP430F6768A MSP430F6767A MSP430F6766A MSP430F6765A MSP430F6749A
MSP430F6748A MSP430F6747A MSP430F6746A MSP430F6745A