mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 512

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

General Purpose I/O Module
26-12
Address
Address
Address
Reset
Reset
Reset
R/W:
R/W:
R/W:
Register
Field
Field
Field
8-bit
7-bit
6-bit
4-bit
7-bit
6-bit
4-bit
—
R
7
7
7
Table 26-4. DDRn (8-bit, 6-bit, and 4-bit) Field Descriptions
—
IPSBAR + 0x10_0023 (DDRTC), 0x10_0024 (DDRTD), 0x10_0025 (DDRUA)
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
R
DDRn6
Bits
6–0
5–0
3–0
7–6
7–4
7–0
Figure 26-10. Port Data Direction Registers (4-bit)
Figure 26-9. Port Data Direction Registers (6-bit)
7
Figure 26-8. Port Data Direction Register (7-bit)
6
6
IPSBAR + 0x10_0020 (DDRAS), 0x10_0022 (DDRSD)
—
R
DDRn5
DDRn5
5
DDRnx
Name
IPSBAR + 0x10_0021(DDRQS)
—
DDRn4
DDRn4
4
4
0000_0000
0000_0000
0000_0000
Port n data direction bits.
1 Port n pin configured as an output
0 Port n pin configured as an input
Reserved, should be cleared.
DDRn3
DDRn3
DDRn3
R/W
3
3
R/W
DDRn2
DDRn2
DDRn2
Description
2
2
R/W
DDRn1
DDRn1
DDRn1
1
1
Freescale Semiconductor
DDRn0
DDRn0
DDRn0
0
0
0