Motorola ColdFire MCF5281 - Manual (Page 509)

General Purpose I/O Module
Freescale Semiconductor 26-9
Port Data Direction Registers
0x10_0014 DDRA DDRB DDRC DDRD S/U
0x10_0018 DDRE DDRF DDRG DDRH S/U
0x10_001C DDRJ DDRDD DDREH
(Reserved on MCF521x)
DDREL S/U
0x10_0020 DDRAS DDRQS DDRSD DDRTC S/U
0x10_0024 DDRTD DDRUA Reserved
2
S/U
Port Pin Data/Set Data Registers
0x10_0028 PORTAP/SETA PORTBP/SETB PORTCP/SETC PORTDP/SETD S/U
0x10_002C PORTEP/SETE PORTFP/SETF PORTGP/SETG PORTHP/SETH S/U
0x10_0030 PORTJP/SETJ PORTDDP/SETDD PORTEHP/SETEH
(Reserved on MCF521x)
PORTELP/SETEL S/U
0x10_0034 PORTASP/SETAS PORTQSP/SETQS PORTSDP/SETSD PORTTCP/SETTC S/U
0x10_0038 PORTTDP/SETTD PORTUAP/SETUA Reserved 2 S/U
Port Clear Output Data Registers
0x10_003C CLRA CLRB CLRC CLRD S/U
0x10_0040 CLRE CLRF CLRG CLRH S/U
0x10_0044 CLRJ CLRDD CLREH
(Reserved on MCF521x)
CLREL S/U
0x10_0048 CLRAS CLRQS CLRSD CLRTC S/U
0x10_004C CLRTD CLRUA Reserved
2
S/U
Port Pin Assignment Registers
0x10_0050 PBCDPAR PFPAR PEPAR S/U
0x10_0054 PJPAR PSDPAR PASPAR S/U
0x10_0058 PEHLPAR PQSPAR PTCPAR PTDPAR S/U
0x10_005C PUAPAR Reserved
2
S/U
0x10_0060
–
0x10_007C
Reserved
2
1
S/U = supervisor or user mode access. User mode accesses to supervisor-only addresses have no effect and cause a cycle
termination transfer error.
2 Writing to reserved address locations has no effect and reading returns 0s.
Table 26-2. Ports Module Memory Map (continued)
IPSBAR +
Offset
31–24 23–16 15–8 7–0 Access
1
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3