Motorola ColdFire MCF5281 - Manual (Page 517)

General Purpose I/O Module
Freescale Semiconductor 26-17
26.3.2.6 Port E Pin Assignment Register (PEPAR)
The PEPAR controls the pin function of port E.
The PEPAR register is read/write.
15 14 13 12 11 10 9 8
Field — PEPA7 — PEPA6 — PEPA5 — PEPA4
Reset 0 See Note 1
1
0 See Note 1
1
0 See Note 1
1
0 See Note 1
1
R/W: R R/W R R/W R R/W R R/W
7 6 5 4 3 2 1 0
Field — PEPA3 — PEPA2 PEPA1 PEPA0
Reset 0 See Note 1 1
1
Reset state determined during reset configuration as shown in Table 26-10 .
0 See Note 1 1 See Note 1 1 See Note 1 1
R/W: R R/W R R/W R/W R/W
Address IPSBAR + 0x10_0052
Figure 26-20. Port E Pin Assignment Register (PEPAR)
Table 26-9. PEPAR Field Descriptions
Bits Name Description
14 PEPA7 Port E pin assignment 7.
This bit configures the port E7 pin for its primary function (OE) or
digital I/O.
1 Port E7 pin configured for primary function (OE)
0 Port E7 pin configured for digital I/O
12 PEPA6 Port E pin assignment 6.
This bit configures the port E6 pin for its primary function (TA) or
digital I/O.
1 Port E6 pin configured for primary function (TA)
0 Port E6 pin configured for digital I/O
10 PEPA5 Port E pin assignment 5.
This bit configures the port E5 pin for its primary function (TEA) or
digital I/O.
1 Port E5 pin configured for primary function (TEA)
0 Port E5 pin configured for digital I/O
8 PEPA4 Port E pin assignment 4.
This bit configures the port E4 pin for its primary function (R/W) or
digital I/O.
1 Port E4 pin configured for primary function (R/W)
0 Port E4 pin configured for digital I/O
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3