Z8F6422AR020SG Zilog, Z8F6422AR020SG Datasheet - Page 112

• Manufacturer Part Number: Z8F6422AR020SG
• Description: IC ENCORE MCU FLASH 64K 64LQFP
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F6422AR020SG

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 46
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-LQFP
• Processor Series: Z8F642x
• Core: eZ8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 46
• Number Of Timers: 4
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: Z8F64200100KITG, ZENETSC0100ZACG, ZUSBSC00100ZACG, Z8F64210100ZDA, Z8F64210100ZDP, Z8F64210100ZDV, Z8F64220100ZDA, Z8F64220100ZDV, Z8F6422AR00ZEM, Z8F6422VS00ZEM, Z8F6421AN00ZEM
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit, 12 Channel
• For Use With: 770-1002 - ISP 4PORT ZILOG Z8 ENCORE! MCU269-4678 - KIT DEV FOR Z8F642 MCU 44 PIN269-4677 - KIT DEV FOR Z8F642 MCU 28PIN269-4643 - KIT DEV Z8 ENCORE XP 28-PIN269-4630 - DEV KIT FOR Z8 ENCORE 8K/4K269-4629 - KIT DEV Z8 ENCORE XP 28-PIN269-4628 - KIT DEV Z8 ENCORE XP 8-PIN269-4540 - KIT DEV FOR Z8 ENCORE 16K TO 64K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 269-4283; Z8F6422AR020SG

Table 51. Watchdog Timer Reload Low Byte Register (WDTL)
PS019921-0308
BITS
FIELD
RESET
R/W
ADDR
Note: R/W* - Read returns the current WDT count value. Write sets the desired Reload Value.
Table 50. Watchdog Timer Reload High Byte Register (WDTH)
Table 49. Watchdog Timer Reload Upper Byte Register (WDTU)
BITS
FIELD
RESET
R/W
ADDR
Note: R/W* - Read returns the current WDT count value. Write sets the desired Reload Value.
BITS
FIELD
RESET
R/W
ADDR
Note: R/W* - Read returns the current WDT count value. Write sets the desired Reload Value.
Caution:
7
WDTU—WDT Reload Upper Byte
Most significant byte, Bits[23:16], of the 24-bit WDT reload value.
WDTH—WDT Reload High Byte
Middle byte, Bits[15:8], of the 24-bit WDT reload value.
WDTL—WDT Reload Low
Least significant byte, Bits[7:0], of the 24-bit WDT reload value.
7
7
The 24-bit WDT Reload Value must not be set to a value less than
6
6
6
5
5
5
4
4
4
WDTU
WDTH
WDTL
FF1H
FF2H
FF3H
R/W*
R/W*
R/W*
1
1
1
3
3
3
Z8 Encore! XP
2
2
2
Product Specification
000004H
1
1
1
®
F64XX Series
Watchdog Timer
.
0
0
0
98