Z8F042AHH020SC Zilog, Z8F042AHH020SC Datasheet - Page 45
![IC ENCORE XP MCU FLASH 4K 20SSOP](/photos/9/30/93032/269-20-ssop_sml.jpg)
Z8F042AHH020SC
Manufacturer Part Number
Z8F042AHH020SC
Description
IC ENCORE XP MCU FLASH 4K 20SSOP
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F042AHH020SC
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
0°C ~ 70°C
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3369
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HALT Mode
Peripheral-Level Power Control
Power Control Register Definitions
PS022825-0908
Power Control Register 0
Executing the eZ8 CPU’s HALT instruction places the device into HALT mode, which
powers down the CPU but leaves all other peripherals active. In HALT mode, the
operating characteristics are:
The eZ8 CPU can be brought out of HALT mode by any of the following operations:
To minimize current in HALT mode, all GPIO pins that are configured as inputs must be
driven to one of the supply rails (V
In addition to the STOP and HALT modes, it is possible to disable each peripheral on each
of the Z8 Encore! XP F082A Series devices. Disabling a given peripheral minimizes its
power consumption.
The following sections define the Power Control registers.
Each bit of the following registers disables a peripheral block, either by gating its system
clock input or by removing power from the block. The default state of the low-power
•
•
•
•
•
•
•
•
•
•
•
•
Primary oscillator is enabled and continues to operate.
System clock is enabled and continues to operate.
eZ8 CPU is stopped.
Program counter (PC) stops incrementing.
Watchdog Timer’s internal RC oscillator continues to operate.
If enabled, the Watchdog Timer continues to operate.
All other on-chip peripherals continue to operate, if enabled.
Interrupt
Watchdog Timer time-out (interrupt or reset)
Power-On Reset
Voltage Brownout reset
External RESET pin assertion
CC
or GND).
Z8 Encore! XP
Product Specification
®
Low-Power Modes
F082A Series
34
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