R5F21346ZJFP RENESAS [Renesas Technology Corp], R5F21346ZJFP Datasheet - Page 51

• Manufacturer Part Number: R5F21346ZJFP
• Description: RENESAS MCU
• Manufacturer: RENESAS [Renesas Technology Corp]

Under development
R8C/34W Group, R8C/34X Group, R8C/34Y Group, R8C/34Z Group
REJ03B0312-0010 Rev.0.10
Apr 09, 2010
Figure 5.3
Table 5.10
Notes:
t
Notes:
rth
reset signal
Power V
Symbol
1. Vdet0 indicates the voltage detection level of the voltage detection 0 circuit. Refer to 6. Voltage Detection
2. tw(por) indicates the duration the external power VCC must be held below the valid voltage (0.5 V) to enable a
1. The measurement condition is V
2. To use the power-on reset function, enable voltage monitor 0 reset by setting the LVDAS bit in the OFS register to 0.
External
Internal
Circuit of User’s Manual: Hardware (REJ09B0605) for details.
power-on reset. When turning on the power after it falls with voltage monitor 0 reset disabled, maintain tw(por)
for 1 ms or more.
V
0.5 V
det0
CC
(1)
External power V
Preliminary document
Specifications in this document are tentative and subject to change.
Power-on Reset Circuit, Voltage Monitor 0 Reset Electrical Characteristics
Power-on Reset Circuit Electrical Characteristics
t
w(por)
(2)
CC
Parameter
rise gradient
t
rth
CC
= 2.7 V to 5.5 V and T
f
OCO-S
1
circuit response time
Voltage detection 0
× 32
opr
(1)
= −40 to 85°C (J version) / −40 to 125°C (K version).
Condition
t
rth
Min.
0
Standard
Typ.
f
OCO-S
−
1
5. Electrical Characteristics
50000
× 32
Max.
V
det0
Page 51 of 67
(2)
mV/msec
(1)
Unit