mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 220

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

Chip Select Module
12.4.1
The chip select module is programmed through the chip select address registers (CSAR0–CSAR6), chip
select mask registers (CSMR0–CSMR6), and the chip select control registers (CSCR0–CSCR6).
12.4.1.1 Chip Select Address Registers (CSAR0–CSAR6)
The CSARs,
Table 12-6
12.4.1.2 Chip Select Mask Registers (CSMR0–CSMR6)
The CSMRs,
respective chip selects.
Table 12-7
12-6
.
15–0
Bits
Reset
Field
Addr
R/W
31
Name
Chip Select Module Registers
describes CSAR[BA].
describes CSMR fields.
BA
Figure
Figure
Address
Base address. Defines the base address for memory dedicated to chip select CS[6:0]. BA is compared
to bits 31–16 on the internal address bus to determine if chip select memory is being accessed.
Reset
Field
R/W
12-2, specify the chip select base addresses.
12-3, are used to specify the address mask and allowable access types for the
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
15
Figure 12-2. Chip Select Address Registers (CSARn)
0x084 (CSMR0); 0x090 (CSMR1); 0x09C (CSMR2); 0x0A8 (CSMR3);
BAM
Figure 12-3. Chip Select Mask Registers (CSMRn)
0x080 (CSAR0); 0x08C (CSAR1); 0x098 (CSAR2); 0x0A4 (CSAR3);
0x0B4 (CSMR4); 0x0C0 (CSMR5); 0x0CC (CSMR6)
Table 12-6. CSARn Field Description
0x0B0 (CSAR4); 0x0BC (CSAR5); 0x0C8 (CSAR6)
16 15
Unitialized
Uninitialized
R/W
Description
R/W
BA
—
9
WP — AM C/I SC SD UC UD V
8
7
6
5
Freescale Semiconductor
4
0
3
2
1
0
0