Z8F012ASB020SG Zilog, Z8F012ASB020SG Datasheet - Page 82
Z8F012ASB020SG
Manufacturer Part Number
Z8F012ASB020SG
Description
IC ENCORE XP MCU FLASH 1K 8SOIC
Manufacturer
Zilog
Series
Encore!® XP®r
Datasheet
1.Z8F011ASB020EG.pdf
(282 pages)
Specifications of Z8F012ASB020SG
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
6
Program Memory Size
1KB (1K x 8)
Program Memory Type
FLASH
Eeprom Size
16 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
8-SOIC (3.9mm Width)
Processor Series
Z8F012Ax
Core
eZ8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
Z8F04A08100KITG, Z8F04A28100KITG, ZENETSC0100ZACG, ZENETSC0100ZACG, ZUSBOPTSC01ZACG, ZUSBSC00100ZAC, ZUSBSC00100ZACG
Minimum Operating Temperature
0 C
On-chip Adc
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-4039
Z8F012ASB020SG
Z8F012ASB020SG
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PS022825-0908
Also, if the Timer Output alternate function is enabled, the Timer Output pin changes state
for one system clock cycle (from Low to High or from High to Low) upon timer Reload. If
it is appropriate to have the Timer Output make a state change at a One-Shot time-out
(rather than a single cycle pulse), first set the TPOL bit in the Timer Control Register to
the start value before enabling ONE-SHOT mode. 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:
2. Write to the Timer High and Low Byte registers to set the starting count value.
3. Write to the Timer Reload High and Low Byte registers to set the Reload value.
4. If appropriate, enable the timer interrupt and set the timer interrupt priority by writing
5. If using the Timer Output function, configure the associated GPIO port pin for the
6. Write to the Timer Control register to enable the timer and initiate counting.
In ONE-SHOT mode, the system clock always provides the timer input. The timer period
is given by the following equation:
CONTINUOUS Mode
In CONTINUOUS 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. Upon
reaching the Reload value, the timer generates an interrupt, the count value in the Timer
High and Low Byte registers is reset to
Output alternate function is enabled, the Timer Output pin changes state (from Low to
High or from High to Low) at timer Reload.
Follow the steps below for configuring a timer for CONTINUOUS mode and initiating the
count:
1. Write to the Timer Control register to:
–
–
–
–
to the relevant interrupt registers.
Timer Output alternate function.
–
–
ONE-SHOT Mode Time-Out Period s ( )
Disable the timer
Configure the timer for ONE-SHOT mode.
Set the prescale value.
Set the initial output level (High or Low) if using the Timer Output alternate
function.
Disable the timer
Configure the timer for CONTINUOUS mode.
0001H
=
Reload Value Start Value
----------------------------------------------------------------------------------------------------------------- -
and counting resumes. Also, if the Timer
System Clock Frequency Hz
Z8 Encore! XP
–
Product Specification
®
F082A Series
×
Prescale
(
)
Timers
71
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