Z8F083ASJ020EG Zilog, Z8F083ASJ020EG Datasheet - Page 103

• Manufacturer Part Number: Z8F083ASJ020EG
• Description: IC ENCORE XP MCU FLASH 8K 28SOIC
• Manufacturer: Zilog
• Series: Encore!®r

Specifications of Z8F083ASJ020EG

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, LED, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 28-SOIC (7.5mm Width)
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 2
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• For Use With: 770-1002 - ISP 4PORT ZILOG Z8 ENCORE! MCU269-4672 - KIT DEVELOPMENT F083A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details
• Other names: 269-4558-5

Table 58. Watchdog Timer Reload High Byte Register (WDTH)
Table 59. Watchdog Timer Reload Low Byte Register (WDTL)
PS026308-1207
BITS
FIELD
RESET
R/W
ADDR
R/W* - Read returns the current WDT count value. Write sets the appropriate reload value.
BITS
FIELD
RESET
R/W
ADDR
R/W* - Read returns the current WDT count value. Write sets the appropriate Reload Value.
Table 57. Watchdog Timer Reload Upper Byte Register (WDTU)
BITS
FIELD
RESET
R/W
ADDR
R/W* - Read returns the current WDT count value. Write sets the appropriate reload value.
R/W*
R/W*
R/W*
7
0
7
0
WDTU—WDT reload upper byte
MSB, 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
LSB, Bits[7:0], of the 24-bit WDT reload value.
7
0
R/W*
R/W*
R/W*
6
0
6
0
6
0
R/W*
R/W*
R/W*
5
0
5
0
5
0
R/W*
R/W*
R/W*
4
0
4
0
4
0
WDTH
WDTL
WDTU
FF2H
FF3H
FF1H
R/W*
R/W*
R/W*
3
0
3
0
3
0
R/W*
R/W*
R/W*
2
0
Z8 Encore!
2
0
2
1
Product Specification
R/W*
R/W*
R/W*
1
0
1
0
1
0
®
F083A Series
Watchdog Timer
R/W*
R/W*
R/W*
0
0
0
0
0
0
91