Z16FMC28AG20SG Zilog, Z16FMC28AG20SG Datasheet - Page 126
Z16FMC28AG20SG
Manufacturer Part Number
Z16FMC28AG20SG
Description
Microcontrollers (MCU) 16BIT 128K FL 4KRAM 2UART 12CH 10BIT A/D
Manufacturer
Zilog
Series
Z16FMCr
Datasheet
1.Z16FMC28AG20_EG.pdf
(341 pages)
Specifications of Z16FMC28AG20SG
Processor Series
Z16FMC
Core
ZNEO
Data Bus Width
16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
4 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
46
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
LQFP-64
Development Tools By Supplier
Z16FMC28200KITG
Minimum Operating Temperature
0 C
Core Processor
ZNEO
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
46
Eeprom Size
-
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Lead Free Status / Rohs Status
Details
Available stocks
Company
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Manufacturer
Quantity
Price
Company:
Part Number:
Z16FMC28AG20SG
Manufacturer:
Zilog
Quantity:
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Watchdog Timer
Operation
PS028702-1210
The Watchdog Timer (WDT) helps protect against corrupt or unreliable software, power
faults and other system-level problems which place the Z16FMC device into unsuitable
operating states.
The WDT includes the following features:
•
•
•
The WDT is a retriggerable one-shot timer that resets or interrupts the Z16FMC device
when the WDT reaches its terminal count. The WDT uses its own dedicated on-chip RC
oscillator as its clock source. The WDT features only two modes of operation – on and off.
After it is enabled, the WDT always counts and must be refreshed to prevent a timeout. An
enable is performed by executing the
The
been executed.
To minimize power consumption, the RC oscillator is disabled. The RC oscillator is dis-
abled by clearing the
disabled, the WDT will not operate.
The WDT is a 16-bit reloadable downcounter that uses two 8-bit registers in the CPU reg-
ister space to set the reload value. The nominal WDT timeout period is given by the fol-
lowing equation:
WDT Time-out Period (ms)
where the WDT reload value is the decimal value of the 16-bit value given by
{WDTH[7:0], WDTL[7:0]} and the typical Watchdog Timer RC oscillator frequency is 10
kHz. Table 68 provides information about approximate timeout delays for the minimum,
default and maximum WDT reload values.
On-chip RC oscillator
A selectable timeout response: short reset or system exception
16-bit programmable timeout value
WDT_AO
bit enables the WDT to operate all the time, even if a
WDTEN
P R E L I M I N A R Y
bit in the
=
WDT Reload Value
------------------------------------------------- -
WDT
Oscillator Control
instruction or by setting the
10
Z16FMC Series Motor Control MCUs
Register. If the RC oscillator is
Product Specification
WDT
WDT_AO
instruction has not
Watchdog Timer
option bit.
104
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