eZ80L92 MCU
Product Specification
179
Bit
Position
Value Description
[7:0]
zdi_id_H
00h {ZDI_ID_H, ZDI_ID_L} = {00h, 06h} indicates the
ZLP12840 product.
eZ80® Product ID Revision Register
The eZ80 Product ID Revision register identifies the current revision of the ZLP12840
product. See Table 102.
Table 102. eZ80® Product ID Revision Register (ZDI_ID_REV = 02h in the ZDI
Register Read-Only Address Space)
Bit
7
X
R
6
X
R
5
X
R
4
X
R
3
X
R
2
X
R
1
X
R
0
X
R
Reset
CPU Access
Note: X = Undetermined; R = Read-only.
Bit
Position
Value Description
00h–FFh Identifies the current revision of the ZLP12840 product.
[7:0]
zdi_id_rev
ZDI Status Register
The ZDI Status register provides current information about the ZLP12840 and the eZ80
CPU. See Table 103.
Table 103. ZDI Status Register (ZDI_STAT = 03h in the ZDI Register Read-
Only Address Space)
Bit
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
0
Reset
CPU Access
Note: R = Read-only.
R
R
R
R
R
R
R
R
PS013015-0316
Zilog Debug Interface
ZILOG [ ZILOG, INC. ]
