EZ80L92AZ020EC Zilog, EZ80L92AZ020EC Datasheet - Page 180
EZ80L92AZ020EC
Manufacturer Part Number
EZ80L92AZ020EC
Description
IC WEBSERVER 20MHZ 100LQFP
Manufacturer
Zilog
Datasheet
1.EZ80L92AZ020SG.pdf
(231 pages)
Specifications of EZ80L92AZ020EC
Processor Type
eZ80
Features
High Speed, Single-Cycle Instruction-Fetch
Speed
20MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3167
EZ80L92AZ020EC
EZ80L92AZ020EC
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PS013014-0107
Table 96. ZDI Read/Write Control Register Functions (ZDI_RW_CTL = 16h in
the ZDI Register Write-Only Address Space)
Hex
Value
00
01
02
03
04
05
06
07
08
Note: The
The ZDI programmer must execute the exchange instruction (EXX) to gain access to the
alternate
eZ80 CPU
Command
Read {MBASE, A, F}
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read BC
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read DE
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read HL
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read IX
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read IY
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read SP
In ADL mode, SP = SPL.
In Z80 mode, SP = SPS.
Read PC
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Set ADL
ADL ← 1
eZ80 CPU
’s alternate register set (A’, F’, B’, C’, D’, E’, HL’) cannot be read directly.
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
register set.
A
C
E
L
IXL
IYL
PC[7:0]
MBASE
F
BCU
B
DEU
D
HLU
H
IXU
IXH
IYU
IYH
PC[23:16]
PC[15:8]
Hex
Value
80
81
82
83
84
85
86
87
88
Command
Write {MBASE, A, F}
MBASE
F
A
Write BC
BCU
B
C
Write DE
DEU
D
E
Write HL
HLU
H
L
Write IX
IXU
IXH
IXL
Write IY
IYU
IYH
IYL
Write SP
In ADL mode, SP = SPL.
In Z80 mode, SP = SPS.
Write PC
PC[23:16]
PC[15:8]
PC[7:0]
Reserved
←
←
←
←
←
←
←
←
←
←
←
←
←
←
ZDI_WR_L
ZDI_WR_H
ZDI_WR_L
ZDI_WR_H
ZDI_WR_L
←
ZDI_WR_L
ZDI_WR_H
ZDI_WR_H
←
←
Product Specification
ZDI_WR_L
ZDI_WR_L
ZDI_WR_U
ZDI_WR_H
ZDI_WR_U
ZDI_WR_H
ZDI_WR_U
←
←
ZDI_WR_U
ZDI_WR_U
←
ZiLOG Debug Interface
←
ZDI_WR_L
ZDI_WR_U
ZDI_WR_H
ZDI_WR_U
eZ80L92 MCU
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