Z8F16800144ZCOG Zilog, Z8F16800144ZCOG Datasheet - Page 301

• Manufacturer Part Number: Z8F16800144ZCOG
• Description: KIT DEV FOR Z8F642 MCU 44 PIN
• Manufacturer: Zilog
• Series: Z8 Encore!®r
• Type: MCUr

Specifications of Z8F16800144ZCOG

• Contents: Hardware, Software and Documentation
• For Use With/related Products: Z8F642
• For Use With: 269-4661 - KIT ACC ETHERNET SMART CABLE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4678

PS025011-1010
Figure 57. Interfacing the On-Chip Debugger’s DBG Pin with an RS-232 Interface (1)
Figure 58. Interfacing the On-Chip Debugger’s DBG Pin with an RS-232 Interface (2)
DEBUG Mode
The operating characteristics of the Z8 Encore! XP F1680 Series device in DEBUG mode
are:
•
•
•
•
•
Entering DEBUG Mode
The device enters DEBUG mode following any of the these operations:
The eZ8 CPU fetch unit stops, idling the eZ8 CPU, unless directed 
by the OCD to execute specific instructions.
The system clock operates unless in STOP mode.
All enabled on-chip peripherals operate unless in STOP mode or otherwise 
defined by the on-chip peripheral to disable in DEBUG mode.
Automatically exits HALT mode.
Constantly refreshes the Watch-Dog Timer, if enabled.
RS232 TX
RS232 RX
RS232 TX
RS232 RX
RS-232
Tranceiver
RS-232
Tranceiver
P R E L I M I N A R Y
Open-Drain
Buffer
Diode
V
V
DD
DD
10 k
10 k
Z8 Encore! XP
DBG pin
DBG pin
Product Specification
®
On-Chip Debugger
F1680 Series
287