Z8F6421AN00ZEM Zilog, Z8F6421AN00ZEM Datasheet - Page 215
Z8F6421AN00ZEM
Manufacturer Part Number
Z8F6421AN00ZEM
Description
KIT ICE Z8 ENCORE 64K 44LQFP
Manufacturer
Zilog
Series
Z8 Encore!®r
Type
In-Circuit Emulator Systemr
Specifications of Z8F6421AN00ZEM
Contents
Emulator Board, Cables, Software and Documentation
For Use With/related Products
Z8 Encore! 44-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3392
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Table 101. On-Chip Debugger Commands (Continued)
PS019921-0308
Debug Command
Read Program Memory
CRC
Reserved
Step Instruction
Stuff Instruction
Execute Instruction
Reserved
In the following list of OCD Commands, data and commands sent from the host to the On-
Chip Debugger are identified by ‘
Debugger back to the host is identified by ‘
•
•
•
•
•
Read OCD Revision (00H)—The Read OCD Revision command determines the
version of the On-Chip Debugger. If OCD commands are added, removed, or
changed, this revision number changes.
Read OCD Status Register (02H)—The Read OCD Status Register command reads
the OCDSTAT register.
Write OCD Control Register (04H)—The Write OCD Control Register command
writes the data that follows to the OCDCTL register. When the Read Protect Option
Bit is enabled, the DBGMODE bit (OCDCTL[7]) can only be set to 1, it cannot be
cleared to 0 and the only method of putting the device back into normal operating
mode is to reset the device.
Read OCD Control Register (05H)—The Read OCD Control Register command
reads the value of the OCDCTL register.
Write Program Counter (06H)—The Write Program Counter command writes the
data that follows to the eZ8 CPU’s Program Counter (PC). If the device is not in
DBG ← 00H
DBG → OCDREV[15:8] (Major revision number)
DBG → OCDREV[7:0] (Minor revision number)
DBG ← 02H
DBG → OCDSTAT[7:0]
DBG ← 04H
DBG ← OCDCTL[7:0]
DBG ← 05H
DBG → OCDCTL[7:0]
Command
Byte
13H - FFH
0EH
0FH
10H
12H
11H
Enabled when
NOT in DEBUG
mode?
DBG ← Command/Data
-
-
-
-
-
-
DBG → Data
Disabled by
Read Protect Option Bit
Z8 Encore! XP
’
’. Data sent from the On-Chip
Product Specification
Disabled
Disabled
Disabled
-
-
-
®
On-Chip Debugger
F64XX Series
201
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