TMS320F28027, TMS320F28027-Q1, TMS320F28027F, TMS320F28027F-Q1, TMS320F28026
TMS320F28026-Q1, TMS320F28026F, TMS320F28026F-Q1, TMS320F28023
TMS320F28023-Q1, TMS320F28022, TMS320F28021, TMS320F28020, TMS320F280200
ZHCSA13P –NOVEMBER 2008 –REVISED FEBRUARY 2021
www.ti.com.cn
表9-31. GPIOB MUX
DEFAULT AT RESET
PRIMARY I/O
PERIPHERAL
SELECTION 1
PERIPHERAL
SELECTION 2
PERIPHERAL
SELECTION 3
FUNCTION(1)
GPBMUX1 REGISTER
BITS
(GPBMUX1 BITS = 00)
(GPBMUX1 BITS = 01)
(GPBMUX1 BITS = 10)
(GPBMUX1 BITS = 11)
1-0
GPIO32(2)
GPIO33(2)
SDAA(2) (I/OD)
SCLA(2) (I/OD)
COMP2OUT (O)
Reserved
EPWMSYNCI(2) (I)
EPWMSYNCO(2) (O)
Reserved
ADCSOCAO (2) (O)
ADCSOCBO (2) (O)
Reserved
3-2
5-4
GPIO34
7-6
GPIO35 (TDI)
GPIO36 (TMS)
GPIO37 (TDO)
GPIO38/XCLKIN (TCK)
Reserved
Reserved
Reserved
9-8
Reserved
Reserved
Reserved
11-10
13-12
15-14
17-16
19-18
21-20
23-22
25-24
27-26
29-28
31-30
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
(1) I = Input, O = Output, OD = Open Drain
(2) These pins are not available in the 38-pin package.
表9-32. Analog MUX for 48-Pin PT Package
DEFAULT AT RESET(1)
PERIPHERAL SELECTION 2 AND
PERIPHERAL SELECTION 3
AIOx AND PERIPHERAL SELECTION 1
AIOMUX1 REGISTER BITS
AIOMUX1 BITS = 0,x
ADCINA0 (I), VREFHI (I)
ADCINA1 (I)
AIOMUX1 BITS = 1,x
ADCINA0 (I), VREFHI (I)
ADCINA1 (I)
1-0
3-2
5-4
AIO2 (I/O)
ADCINA2 (I), COMP1A (I)
ADCINA3 (I)
7-6
ADCINA3 (I)
9-8
AIO4 (I/O)
ADCINA4 (I), COMP2A (I)
11-10
13-12
15-14
17-16
19-18
21-20
23-22
25-24
27-26
29-28
31-30
–
–
AIO6 (I/O)
ADCINA7 (I)
ADCINA6 (I)
ADCINA7 (I)
–
–
ADCINB1 (I)
AIO10 (I/O)
ADCINB3 (I)
AIO12 (I/O)
ADCINB1 (I)
ADCINB2 (I), COMP1B (I)
ADCINB3 (I)
ADCINB4 (I), COMP2B (I)
–
–
AIO14 (I/O)
ADCINB7 (I)
ADCINB6 (I)
ADCINB7 (I)
(1) I = Input, O = Output
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TMS320F28026 TMS320F28026-Q1 TMS320F28026F TMS320F28026F-Q1 TMS320F28023 TMS320F28023-
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