Z8FMC16100 Datasheet, PDF (287/402 Pages) Zilog, Inc. – Z8 Encore-R Motor Control Flash MCUs

Z8FMC16100 Series Flash MCU
Product Specification
265
On-Chip Peripheral AC and DC Electrical Characteristics
Table 141 provides electrical characteristics and timing information for the POR and VBO
circuits.
Table 141. POR and VBO Electrical Characteristics and Timing
Symbol Parameter
T_A = –40ºC to 105ºC
Minimum Typical¹ Maximum Units Conditions
V_POR
Power-on reset
voltage threshold
2.20
2.45
2.70
V V_DD = V_POR.
V_VBO
Voltage Brown-Out
2.15
reset voltage threshold
2.40
2.65
V V_DD = V_VBO.
V_POR–V_VBO
50
75
mV
Starting V_DD voltage to
—
V_SS
—
V
ensure valid Power-On
Reset.
T_ANA
Power-On Reset
analog delay
—
50
—
ms V_DD > V_POR; T_POR
Digital Reset delay
follows T_ANA.
T_POR
Power-On Reset digital
—
5.0
—
ms 50 WDT Oscillator
delay
cycles (10 KHz) + 16
System Clock cycles
(20 MHz).
T_VBO
Voltage Brown-Out
—
10
—
ms V_DD < V_VBO to generate
pulse rejection period
a Reset.
T_RAMP Time for V_DD to
0.10
—
100
ms
transition from V_SS to
V_POR to ensure valid
Reset
I_CC
Supply current
500
µA V_DD = 3.3V.
Notes:
1. Data in the typical column is from characterization at 3.3V and 25⁰C. These values are provided for design guid-
ance only and are not tested in production.
PS024604-1005
PRELIMINARY
On-Chip Peripheral AC and DC Electrical