參數(shù)資料
型號(hào)： R5F21388WJFP
元件分類： 微控制器/微處理器
英文描述： MICROCONTROLLER, PQFP80
封裝： 12 X 12MM, 0.5MM PITCH, PLASTIC, LQFP-80
文件頁數(shù)： 47/70頁
文件大?。?/td> 632K
代理商： R5F21388WJFP
R8C/38W Group, R8C/38X Group, R8C/38Y Group, R8C/38Z Group
5. Electrical Characteristics
Under development Preliminary document
Specifications in this document are tentative and subject to change.
REJ03B0317-0010 Rev.0.10
Page 51 of 67
May 31, 2010
Notes:
1.
The measurement condition is VCC = 2.7 V to 5.5 V and Topr =
40 to 85°C (J version) / 40 to 125°C (K version).
2.
To use the power-on reset function, enable voltage monitor 0 reset by setting the LVDAS bit in the OFS register to 0.
Figure 5.3
Power-on Reset Circuit Electrical Characteristics
Table 5.10
Power-on Reset Circuit, Voltage Monitor 0 Reset Electrical Characteristics(2)
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
trth
External power VCC rise gradient
0
50000
mV/msec
Vdet0 (1)
0.5 V
Internal
reset signal
tw(por) (2)
Voltage detection 0
circuit response time
Vdet0 (1)
1
fOCO-S
× 32
1
fOCO-S
× 32
External
Power VCC
trth
Notes:
1. Vdet0 indicates the voltage detection level of the voltage detection 0 circuit. Refer to 6. Voltage Detection
Circuit of User's Manual: Hardware (REJ09B0613) for details.
2. tw(por) indicates the duration the external power VCC must be held below the valid voltage (0.5 V) to enable
a 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.
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