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MSP430FG439 Datasheet, PDF (16/88 Pages) Texas Instruments – Mixed-Signal Microcontrollers
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MSP430FG439, MSP430FG438, MSP430FG437
SLAS380D – APRIL 2004 – REVISED NOVEMBER 2014
www.ti.com
5.8 Outputs – Ports P1 to P6
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
VOH High-level output voltage
VOL Low-level output voltage
TEST CONDITIONS
IOH(max) = –1.5 mA, VCC = 2.2 V(1)
IOH(max) = –6 mA, VCC = 2.2 V(2)
IOH(max) = –1.5 mA, VCC = 3 V(1)
IOH(max) = –6 mA, VCC = 3 V(2)
IOL(max) = 1.5 mA, VCC = 2.2 V(1)
IOL(max) = 6 mA, VCC = 2.2 V(2)
IOL(max) = 1.5 mA, VCC = 3 V(1)
IOL(max) = 6 mA, VCC = 3 V(2)
MIN
MAX
VCC – 0.25
VCC – 0.6
VCC – 0.25
VCC – 0.6
VSS
VSS
VSS
VSS
VCC
VCC
VCC
VCC
VSS + 0.25
VSS + 0.6
VSS + 0.25
VSS + 0.6
UNIT
V
V
(1) The maximum total current, IOH(max) and IOL(max), for all outputs combined, should not exceed ±12 mA to satisfy the maximum specified
voltage drop.
(2) The maximum total current, IOH(max) and IOL(max), for all outputs combined, should not exceed ±48 mA to satisfy the maximum specified
voltage drop.
5.9 Output Frequency
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
f(Px.y)
f(MCLK)
f(SMCLK)
f(ACLK)
t(Xdc)
(1 ≤ × ≤ 6, 0 ≤ y ≤ 7)
P1.1/TA0/MCLK
P1.4/TBCLK/SMCLK
P1.5/TACLK/ACLK
Duty cycle of output frequency
CL = 20 F,
IL = ±1.5 mA
CL = 20 pF
P1.5/TACLK/ACLK,
CL = 20 pF,
VCC = 2.2 V, 3 V
P1.1/TA0/MCLK,
CL = 20 pF,
VCC = 2.2 V, 3 V
VCC = 2.2 V, 3 V
f(ACLK) = f(LFXT1) = f(XT1)
f(ACLK) = f(LFXT1) = f(LF)
f(ACLK) = f(LFXT1)
f(MCLK) = f(XT1)
f(MCLK) = f(DCOCLK)
P1.4/TBCLK/SMCLK,
CL = 20 pF,
VCC = 2.2 V, 3 V
f(SMCLK) = f(XT2)
f(SMCLK) = f(DCOCLK)
MIN TYP
MAX UNIT
dc
f(System) MHz
f(System) MHz
40%
30%
40%
50% –
15 ns
40%
50% –
15 ns
50%
50%
50%
60%
70%
60%
50%+
15 ns
60%
50%+
15 ns
16
Specifications
Copyright © 2004–2014, Texas Instruments Incorporated
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