SPRS439M – JUNE 2007 – REVISED AUGUST 2012
Table 4-17. GPIO-B Mux Peripheral Selection Matrix
REGISTER BITS
GPBDIR
GPBDAT
GPBSET
GPBCLR
GPBTOGGLE
QUALPRD0
0
1
2
3
4
5
6
7
QUALPRD1
8
9
10
11
12
13
14
15
GPBMUX1
GPBQSEL1
1, 0
3, 2
5, 4
7, 6
9, 8
11, 10
13, 12
15, 14
17, 16
19, 18
21, 20
23, 22
25, 24
27, 26
29, 28
31, 30
GPBMUX2
GPBQSEL2
QUALPRD2
16
17
18
19
20
21
22
23
QUALPRD3
24
25
26
27
28
29
30
31
(1)
Open drain
1, 0
3, 2
5, 4
7, 6
9, 8
11, 10
13, 12
15, 14
17, 16
19, 18
21, 20
23, 22
25, 24
27, 26
29, 28
31, 30
GPIOx
GPBMUX1 = 0, 0
GPIO32 (I/O)
GPIO33 (I/O)
GPIO34 (I/O)
GPIO35 (I/O)
GPIO36 (I/O)
GPIO37 (I/O)
GPIO38 (I/O)
GPIO39 (I/O)
GPIO40 (I/O)
GPIO41 (I/O)
GPIO42 (I/O)
GPIO43 (I/O)
GPIO44 (I/O)
GPIO45 (I/O)
GPIO46 (I/O)
GPIO47 (I/O)
GPBMUX2 = 0, 0
GPIO48 (I/O)
GPIO49 (I/O)
GPIO50 (I/O)
GPIO51 (I/O)
GPIO52 (I/O)
GPIO53 (I/O)
GPIO54 (I/O)
GPIO55 (I/O)
GPIO56 (I/O)
GPIO57 (I/O)
GPIO58 (I/O)
GPIO59 (I/O)
GPIO60 (I/O)
GPIO61 (I/O)
GPIO62 (I/O)
GPIO63 (I/O)
GPBMUX2 = 0, 1
ECAP5 (I/O)
ECAP6 (I/O)
EQEP1A (I)
EQEP1B (I)
EQEP1S (I/O)
EQEP1I (I/O)
SPISIMOA (I/O)
SPISOMIA (I/O)
SPICLKA (I/O)
SPISTEA (I/O)
MCLKRA (I/O)
MFSRA (I/O)
MCLKRB (I/O)
MFSRB (I/O)
SCIRXDC (I)
SCITXDC (O)
Reserved
PERIPHERAL SELECTION
PER1
GPBMUX1 = 0, 1
SDAA (I/OC)
(1)
SCLA (I/OC)
(1)
PER2
GPBMUX1 = 1, 0
EPWMSYNCI (I)
EPWMSYNCO (O)
PER3
GPBMUX1 = 1, 1
ADCSOCAO (O)
ADCSOCBO (O)
ECAP1 (I/O)
SCITXDA (O)
SCIRXDA (I)
ECAP2 (I/O)
XREADY (I)
XR/W (O)
XZCS0 (O)
XZCS7 (O)
XWE0 (O)
XA16 (O)
XA0/XWE1 (O)
XA1 (O)
XA2 (O)
XA3 (O)
XA4 (O)
XA5 (O)
XA6 (O)
XA7 (O)
GPBMUX2 = 1, 0
GPBMUX2 = 1, 1
XD31 (I/O)
XD30 (I/O)
XD29 (I/O)
XD28 (I/O)
XD27 (I/O)
XD26 (I/O)
XD25 (I/O)
XD24 (I/O)
XD23 (I/O)
XD22 (I/O)
XD21 (I/O)
XD20 (I/O)
XD19 (I/O)
XD18 (I/O)
XD17 (I/O)
XD16 (I/O)
Copyright © 2007–2012, Texas Instruments Incorporated
Peripherals
103
Product Folder Link(s):
TI [ TEXAS INSTRUMENTS ]
