Z8F042AHJ020EC Zilog, Z8F042AHJ020EC Datasheet - Page 192
Z8F042AHJ020EC
Manufacturer Part Number
Z8F042AHJ020EC
Description
IC ENCORE XP MCU FLASH 4K 28SSOP
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F042AHJ020EC
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
-40°C ~ 105°C
Package / Case
28-SSOP
Processor Series
Z8F042xx
Core
eZ8
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
16 Bit
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3370
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Write Memory, Read Memory, Write Register, Read Register, Read Memory CRC,
Step Instruction, Stuff Instruction, and Execute Instruction commands.
DBG
DBG
DBG
Write OCD Control Register (04H)—The Write OCD Control Register command
writes the data that follows to the OCDCTL register. When the Flash Read Protect
Option Bit is enabled, the DBGMODE bit (
be cleared to 0 and the only method of returning the device to normal operating mode
is to reset the device.
DBG
DBG
Read OCD Control Register (05H)—The Read OCD Control Register command
reads the value of the OCDCTL register.
DBG
DBG
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 DE-
BUG mode or if the Flash Read Protect Option bit is enabled, the Program Counter
(PC) values are discarded.
DBG
DBG
DBG
Read Program Counter (07H)—The Read Program Counter command reads the
value in the eZ8 CPU’s Program Counter (PC). If the device is not in DEBUG mode
or if the Flash Read Protect Option bit is enabled, this command returns
DBG
DBG
DBG
Write Register (08H)—The Write Register command writes data to the Register
File. Data can be written 1–256 bytes at a time (256 bytes can be written by setting
size to 0). If the device is not in DEBUG mode, the address and data values are dis-
carded. If the Flash Read Protect Option bit is enabled, only writes to the Flash Con-
trol Registers are allowed and all other register write data values are discarded.
DBG
DBG
DBG
DBG
DBG
←
→
→
←
←
←
→
←
←
←
←
→
→
←
←
←
←
←
03H
RuntimeCounter[15:8]
RuntimeCounter[7:0]
04H
OCDCTL[7:0]
05H
OCDCTL[7:0]
06H
ProgramCounter[15:8]
ProgramCounter[7:0]
07H
ProgramCounter[15:8]
ProgramCounter[7:0]
08H
{4’h0,Register Address[11:8]}
Register Address[7:0]
Size[7:0]
1-256 data bytes
OCDCTL
Z8 Encore! XP
[7]) can only be set to 1, it cannot
Product Specification
®
On-Chip Debugger
F082A Series
FFFFH
.
181
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