Id Register; Table 5-3 Id Register Description - Motorola MC68VZ328 User Manual

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.
IDR
BIT 31 30
TYPE r r
0 1
RESET
BIT 15 14
TYPE r r
0 0
RESET
Name
CHIPID Chip ID Field—This field contains the chip identification number for the
Bits 31–24 DragonBall series MPU.
MASKID Maskset ID Field—This field contains the maskset number for the silicon.
Bits 23–16
SWID Software ID—This field contains the custom software ID. It is normally "0000."
Bits 15–0
ID Register
29 28 27 26
CHIPID
r r r r
0 1 0 1
13 12 11 10
r r r r
0 0 0 0
Table 5-3. ID Register Description
Description
System Control
25 24 23 22 21
r r r r r
1 0 0 0 0
0x5600
9 8 7 6 5
SWID
r r r r r
0 0 0 0 0
0x0000
Programming Model
0x(FF)FFF004
20 19 18 17 BIT 16
MASKID
r r r r r
0 0 0 0 0
4 3 2 1 BIT 0
r r r r r
0 0 0 0 0
Setting
See description
See description
See description
5-5