Z8F012ASB020SG Zilog, Z8F012ASB020SG Datasheet - Page 106

• Manufacturer Part Number: Z8F012ASB020SG
• Description: IC ENCORE XP MCU FLASH 1K 8SOIC
• Manufacturer: Zilog
• Series: Encore!® XP®r

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

Table 59. Watchdog Timer Reload High Byte Register (WDTH)
Table 60. Watchdog Timer Reload Low Byte Register (WDTL)
PS022825-0908
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 58. 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.
Caution:
7
7
WDTU—WDT Reload Upper Byte
Most-significant 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
Least significant byte (LSB), Bits[7:0], of the 24-bit WDT reload value.
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*
00H
04H
00H
3
3
3
Z8 Encore! XP
2
2
2
Product Specification
000004H
1
1
1
®
F082A Series
Watchdog Timer
.
0
0
0
95