Z8F042AHH020EG Zilog, Z8F042AHH020EG Datasheet - Page 83
Z8F042AHH020EG
Manufacturer Part Number
Z8F042AHH020EG
Description
IC ENCORE XP MCU FLASH 4K 20SSOP
Manufacturer
Zilog
Series
Encore!® XP®r
Datasheet
1.Z8F08200100KIT.pdf
(264 pages)
Specifications of Z8F042AHH020EG
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
Lead free / RoHS Compliant
Other names
269-4156
Z8F042AHH020EG
Z8F042AHH020EG
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PS022517-0508
System
Control
Clock
Timer
Block
Data
Input
Bus
Timer Operating Modes
The timers are configured to operate in the following modes:
ONE-SHOT Mode
In ONE-SHOT mode, the timer counts up to the 16-bit Reload value stored in the Timer
Reload High and Low Byte registers. The timer input is the system clock. On reaching the
Reload value, the timer generates an interrupt and the count value in the Timer High and
Low Byte registers is reset to
counting.
state for one system clock cycle (from Low to High or vice-versa) on timer Reload.
If it is required for the Timer Output to make a permanent state change on One-Shot
time-out, first set the TPOL bit in the Timer Control Register to the start value before
beginning ONE-SHOT mode. Then, after starting the timer, set TPOL to the opposite bit
value.
Follow the steps below for configuring a timer for ONE-SHOT mode and initiating the
count:
1. Write to the Timer Control Register to:
Also, if the Timer Output alternate function is enabled, the Timer Output pin changes
–
–
Capture
Input
Input
Gate
Disable the timer
Configure the timer for ONE-SHOT mode
PWM / Compare
Reload Register
16-Bit Counter
with Prescaler
Control
16-Bit
16-Bit
Timer
Figure 10. Timer Block Diagram
0001H
. Then, the timer is automatically disabled and stops
Z8 Encore! XP
Timer Block
Timer Output
Interrupt,
Control
PWM,
and
Product Specification
®
F0822 Series
Interrupt
Output
Timer
Timer
Timers
70
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