Port B Control Register (Pbcnt) - Motorola DigitalDNA ColdFire MCF5272 User Manual

Table 17-4. Port A Control Register Function Bits (Continued)
Pin PACNT[xx] = 00
Number (Function 0b00)
E5 PA2
E4 PA3
E3 PA4
E2 PA5
E1 PA6
P1 PA7
J2 PA8
J3 PA9
K5 PA10
L1 PA11
L2 PA12
L3 PA13
M2 PA14
M3 PA15
1
If this pin is programmed to function as INT6, it is not avaiable as a GPIO.

17.2.2 Port B Control Register (PBCNT)

PBCNT, shown in Figure 17-2, is used to configure the pins assigned to signals that are
multiplexed with GPIO port B.
31 30 29
Field PBCNT15 PBCNT14
Reset
R/W
15 14 13
Field PBCNT7 PBCNT6
Reset
R/W
Addr
Table 17-5 describes PBCNT fields. Table 17-6 provides the same information organized
by function.
PACNT[xx] = 01
(Function 0b01)
USB_RN
USB_TN
USB_Susp
USB_TxEN
USB_RxD
QSPI_CS3
FSC0/FSR0
DGNT0
DREQ0
Reserved
DFSC2
DFSC3
DREQ1
DGNT1
28 27 26 25
PBCNT13 PBCNT12
0000_0000_0000_0000
12 11 10 9
PBCNT5 PBCNT4
0000_0000_0000_0000
Figure 17-2. Port B Control Register (PBCNT)
Chapter 17. General Purpose I/O Module
PACNT[xx] = 10
(Function 0b10)
–
–
–
–
–
DOUT3
–
–
–
QSPI_CS1
–
–
–
1
–
24 23 22 21
PBCNT11 PBCNT10
Read/Write
8 7 6 5
PBCNT3 PBCNT2
Read/Write
MBAR + 0x0088
Port Control Registers
PACNT[xx] = 11
(Function 0b11)
–
–
–
–
–
–
–
–
–
–
–
–
–
–
20 19 18 17
PBCNT9 PBCNT8
4 3 2 1
PBCNT1 PBCNT0
16
0
17-5