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H8SX/1663M Datasheet(PDF) 1450 Page - Renesas Technology Corp

Part # H8SX/1663M
Description  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1504 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8SX/1663M Datasheet(HTML) 1450 Page - Renesas Technology Corp

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Section 30 Electrical Characteristics
Rev. 2.00 Sep. 24, 2008 Page 1418 of 1468
REJ09B0412-0200
30.9
Power-On Reset Circuit and Voltage-Detection Circuit
Characteristics (H8SX/1668M Group)
Table 30.15 Power-On Reset Circuit and Voltage-Detection Circuit Characteristics
Conditions: V
CC = PLLVCC VSS = PLLVSS = AVSS = 0 V,
T
a = – 20°C to +75°C (regular specifications),
T
a = – 40°C to +85°C (wide-range specifications)
Item
Symbol Min.
Typ.
Max.
Unit
Test
Conditions
Voltage detection
circuit (LVD)
V
det
3.00
3.10
3.20
Figure 30.60
Voltage detection
level
Power-on reset
(POR)
V
POR
2.48
2.58
2.68
V
Figure 30.59
Internal reset time
t
POR
20
35
50
ms
Power-off time*
t
VOFF
200
us
Figure 30.59
Figure 30.60
Note:
*
Power-off time (t
VOFF) is the time over which Vcc is lower than minimum value of the
voltage-detection level of the POR and LVD.
tVOFF
tPOR
VPOR
tPOR
VCC
Internal reset signal
("L" is enabled)
Figure 30.59 Power-On Reset Timing



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