ez80l92 ZiLOG Semiconductor, ez80l92 Datasheet - Page 184

• Manufacturer Part Number: ez80l92
• Description: Ez80acclaim Flash Microcontrollers
• Manufacturer: ZiLOG Semiconductor

PS013014-0107
eZ80
The eZ80 Product ID Low and High Byte registers combine to provide a means for an
external device to determine the particular eZ80 product being addressed. For the
eZ80L92, these two bytes, {ZDI_ID_H, ZDI_ID_L} return the value {
Tables 100 and
Table 100. eZ80
Register Read-Only Address Space)
Table 101. eZ80
Register Read-Only Address Space)
Bit
Position
[7:0]
zdi_wr_mem
Bit
Reset
CPU Access
Note: R = Read-only.
Bit
Position
[7:0]
zdi_id_l
Bit
Reset
CPU Access
Note: R = Read-only.
®
Product ID Low and High Byte Registers
101.
®
®
Product ID Low Byte Register (ZDI_ID_L = 00h in the ZDI
Product ID High Byte Register (ZDI_ID_H = 01h in the ZDI
00h–FFh The 8-bit data that is transferred to the ZDI slave
Value Description
06h
Value
R
R
7
0
7
0
{ZDI_ID_H, ZDI_ID_L} = {00h, 06h} indicates the eZ80L92
product.
Description
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]})
transferred data. In ADL MEMORY mode, (PC[23:0])
8 bits of transferred data.
R
R
6
0
6
0
R
R
5
0
5
0
R
R
4
0
4
0
R
R
3
0
3
0
Product Specification
R
R
2
1
2
0
ZiLOG Debug Interface
00h
eZ80L92 MCU
,
06h
R
R
1
1
1
0
←
}. See
8 bits of
R
R
0
0
0
0
←
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