ez80f92 ZiLOG Semiconductor, ez80f92 Datasheet - Page 185

• Manufacturer Part Number: ez80f92
• Description: Ez80acclaim Flash Microcontrollers
• Manufacturer: ZiLOG Semiconductor

PS015313-0508
Table 99. ZDI Read/Write Control Register Functions(ZDI_RW_CTL = 16h in the ZDI
Register Write Only Address Space (Continued))
Hex
Value
0A
0B
The eZ80
The ZDI programmer must execute the exchange instruction (EXX) to gain access to the
alternate eZ80 CPU register set.
®
CPU’s alternate register set (A’, F’, B’, C’, D’, E’, HL’) cannot be read directly.
Command
Exchange CPU register sets
AF
BC
DE
HL
Read memory from current PC
value, increment PC
←
←
←
←
AF’
HL’
BC’
DE’
Hex
Value
8A
8B
Command
Reserved
Write memory from current PC
value, increment PC
Product Specification
eZ80F92/eZ80F93
Zilog Debug Interface
178