ez80190 ZiLOG Semiconductor, ez80190 Datasheet - Page 176

• Manufacturer Part Number: ez80190
• Description: Ez80190 Microprocessor
• Manufacturer: ZiLOG Semiconductor

PS006613-0306
Bit
Reset
CPU Access
Note: X = Undefined; W = Write.
Bit
Position
[7:0]
ZDI_WR_MEM
Bit
Reset
CPU Access
Note: R = Read Only.
Bit
Position
[7:0]
ZDI_ID_L
eZ80
The Product ID Low and High Byte registers, indicated in
provide a means for an external device to determine the particular Product prod-
uct being addressed. For the eZ80190 device, these two bytes {ZDI_ID_H,
ZDI_ID_L}, return the value {
eZ80
The Product ID Low and High Byte registers, indicated in
provide a means for an external device to determine the particular Product prod-
uct being addressed. For the eZ80190 device, these two bytes {ZDI_ID_H,
ZDI_ID_L}, return the value {
(ZDI_WR_MEM = 30h in the ZDI Register Write Only Address Space)
(ZDI_ID_L = 00h in ZDI Register Read Only Address Space)
®
®
Product ID Low Byte Register
Product ID High Byte Register
Value Description
00h–
FFh
Table 89. eZ80
Value Description
05h
Table 88. ZDI Write Memory Register
The 8-bit data that is transferred to the ZDI slave following a
write to this address is written to the address indicated by the
current program counter. The program counter is incremented
following each 8-bits of data. In Z80 MEMORY mode, ({MBASE,
PC[15:0]})
(PC[23:0])
W
X
R
7
7
0
{ZDI_ID_H, ZDI_ID_L} = {00h, 05h} indicates the
eZ80190 product.
®
W
X
R
6
6
0
←
←
Product ID Low Byte Register
PRELIMINARY
8 bits of transferred data. In ADL MEMORY mode,
8-bits of transferred data.
00h
00h
W
,
,
X
R
5
5
0
05h
05h
}.
}.
W
R
X
4
4
0
W
R
X
3
3
0
eZ80190 Product Specification
W
R
X
2
2
1
Table
Table
W
R
X
1
1
0
ZiLOG Debug Interface
89, combine to
90, combine to
W
X
R
0
0
1
162