Z8F042AHJ020SG Zilog, Z8F042AHJ020SG Datasheet - Page 184

• Manufacturer Part Number: Z8F042AHJ020SG
• Description: IC ENCORE XP MCU FLASH 4K 28SSOP
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F042AHJ020SG

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: IrDA, UART/USART
• Peripherals: Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 23
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4159; Z8F042AHJ020SG

On-Chip Debugger
Architecture
Operation
PS022517-0508
System Clock
DBG Pin
OCD Interface
Z8 Encore! XP
provides advanced debugging features including:
•
•
•
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The OCD consists of four primary functional blocks: transmitter, receiver, autobaud
generator, and debug controller.
The OCD uses the
interface is a bi-directional open-drain interface that transmits and receives data. Data
Reading and writing of the Register File
Reading and (Flash version only) writing of Program and Data Memory
Setting of Breakpoints
Executing eZ8 CPU instructions
Detector/Generator
®
F0822 Series products have an integrated On-Chip Debugger (OCD) that
Auto-Baud
Figure 37. On-Chip Debugger Block Diagram
DBG
pin for communication with an external host. This one-pin
Figure 37
Transmitter
Receiver
displays the architecture of the OCD.
Z8 Encore! XP
Product Specification
Debug Controller
®
On-Chip Debugger
F0822 Series
171