z8f0822 ZiLOG Semiconductor, z8f0822 Datasheet - Page 208

• Manufacturer Part Number: z8f0822
• Description: High Performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Table 99. Power-On Reset and Voltage Brownout Electrical Characteristics and Timing
Symbol Parameter
V
V
T
T
T
T
1 Data in the typical column is from characterization at 3.3 V and 25 °C. These values are provided for design guidance
only and are not tested in production.
On-Chip Peripheral AC and DC Electrical Characteristics
PS022517-0508
ANA
POR
VBO
RAMP
POR
VBO
Power-On Reset
Voltage Threshold
Voltage Brownout
Reset Voltage
Threshold
V
hysteresis
Starting V
ensure valid POR
POR Analog Delay
POR Digital Delay
Voltage Brownout
Pulse Rejection Period
Time for VDD to
transition from V
V
Reset
POR
POR
to V
to ensure valid
Table 99
characteristics.
DD
VBO
voltage to
provides information on the Power-On Reset and Voltage Brownout electrical
SS
to
Minimum Typical
2.15
2.05
0.10
50
–
–
–
–
T
A
= -40 °C to 105 °C
2.40
2.30
V
100
5.0
50
10
–
SS
1
Maximum
2.60
2.55
100
–
–
–
–
–
Units Conditions
mV
Z8 Encore! XP
ms
ms
μs
μs
V
V
V
V
V
V
Reset delay follows T
50 WDT Oscillator cycles
(10 kHz) + 16 System Clock
cycles (20 MHz)
V
Reset.
DD
DD
DD
DD
Product Specification
= V
= V
> V
< V
Electrical Characteristics
POR
VBO
POR
VBO
®
; T
to generate a
F0822 Series
POR
Digital
ANA
195