Motorola MC68VZ328 Manuale Utente
Programming Model
System Control
5-5
5.2.3
ID Register
This 32-bit read-only register shows the chip identification. The bit assignments for the register are shown
in the following register display. The settings for the bits in the register are listed in Table 5-3.
in the following register display. The settings for the bits in the register are listed in Table 5-3.
IDR ID
Register
0x(FF)FFF004
BIT 31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
BIT 16
CHIPID
MASKID
TYPE
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
RESET
0
1
0
1
0
1
1
0
0
0
0
0
0
0
0
0
0x5600
BIT 15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BIT 0
SWID
TYPE
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
RESET
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0x0000
Table 5-3. ID Register Description
Name
Description
Setting
CHIPID
Bits 31–24
Bits 31–24
Chip ID Field—This field contains the chip identification number for the
DragonBall series MPU.
DragonBall series MPU.
See description
MASKID
Bits 23–16
Bits 23–16
Maskset ID Field—This field contains the maskset number for the silicon.
See description
SWID
Bits 15–0
Bits 15–0
Software ID—This field contains the custom software ID. It is normally “0000.”
See description