Motorola MCF5281 用户手册
30-8
MCF5282 User’s Manual
MOTOROLA
Functional Description
30.5.3.3 Chip Identification Register (CIR)
30.6 Functional Description
Six functions are defined within the chip configuration module:
1. Reset configuration
2. Chip mode selection
3. Boot device selection
4. Output pad strength configuration
5. Clock mode selections
6. Chip select configuration
2. Chip mode selection
3. Boot device selection
4. Output pad strength configuration
5. Clock mode selections
6. Chip select configuration
These functions are described here.
30.6.1 Reset Configuration
During reset, the pins for the reset override functions are immediately configured to known
states. Table 30-9 shows the states of the external pins while in reset.
states. Table 30-9 shows the states of the external pins while in reset.
15
8
7
0
Field
PIN
PRN
Reset
0010_0000_0000_0000
R/W
R
Address
IPSBAR + 0x11_000a
Figure 30-4. Chip Identification Register (CIR)
Table 30-8. CIR Field Description
Bits
Name
Description
15–8
PIN
Part identification number. Contains a unique identification number for the device.
7–0
PRN
Part revision number. This number is increased by one for each new full-layer mask
set of this part. The revision numbers are assigned in chronological order.
set of this part. The revision numbers are assigned in chronological order.