Z8F042AHH020EC Zilog, Z8F042AHH020EC Datasheet - Page 195
Z8F042AHH020EC
Manufacturer Part Number
Z8F042AHH020EC
Description
IC ENCORE XP MCU FLASH 4K 20SSOP
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F042AHH020EC
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
17
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 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3368
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z8F042AHH020EC2103
Manufacturer:
AVX
Quantity:
25 000
Part Number:
Z8F042AHH020EC2103
Manufacturer:
ZILOG
Quantity:
20 000
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Table 106. OCD Control Register (OCDCTL)
On-Chip Debugger Control Register Definitions
BITS
FIELD
RESET
R/W
PS022825-0908
OCD Control Register
DBGMODE
R/W
7
0
The OCD Control register controls the state of the On-Chip Debugger. This register is
used to enter or exit DEBUG mode and to enable the
Z8 Encore! XP
A reset and stop function can be achieved by writing
function can be achieved by writing
a run function can be implemented by writing
.
DBGMODE—DEBUG Mode
The device enters DEBUG mode when this bit is 1. When in DEBUG mode, the eZ8 CPU
stops fetching new instructions. Clearing this bit causes the eZ8 CPU to restart. This bit is
automatically set when a BRK instruction is decoded and Breakpoints are enabled. If the
Flash Read Protect Option Bit is enabled, this bit can only be cleared by resetting the
device. It cannot be written to 0.
0 = The Z8 Encore! XP F082A Series device is operating in NORMAL mode.
1 = The Z8 Encore! XP F082A Series device is in DEBUG mode.
BRKEN—Breakpoint Enable
This bit controls the behavior of the
points are disabled and the
bit is 1, when a
automatically set to 1.
0 = Breakpoints are disabled.
1 = Breakpoints are enabled.
BRKEN
If the device is not in DEBUG mode or the Flash Read Protect Option bit is enabled,
this command reads and discards one byte.
DBG
DBG
R/W
6
0
←
←
®
BRK
F082A Series device.
12H
1-5 byte opcode
DBGACK
instruction is decoded, the
R/W
5
0
BRK
instruction behaves similar to an NOP instruction. If this
R
4
0
41H
BRK
to this register. If the device is in DEBUG mode,
instruction (opcode
40H
R
DBGMODE
3
0
Reserved
to this register.
81H
BRK
Z8 Encore! XP
bit of the OCDCTL register is
to this register. A reset and go
instruction. It can also reset the
R
2
0
00H
Product Specification
). By default, Break-
R
1
0
®
On-Chip Debugger
F082A Series
RST
R/W
0
0
184
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