参数资料
型号: R5F21274SNFP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP32
封装: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件页数: 53/75页
文件大小: 622K
代理商: R5F21274SNFP
R8C/26 Group, R8C/27 Group
5. Electrical Characteristics
Rev.2.10
Sep 26, 2008
Page 55 of 69
REJ03B0168-0210
NOTES:
1. VCC = 2.7 to 5.5 V, Topr = -40 to 85
°C (J version) / -40 to 125°C (K version), unless otherwise specified.
2. These standard values show when the FRA1 register value after reset is assumed.
NOTE:
1. VCC = 2.7 to 5.5 V, Topr = -40 to 85
°C (J version) / -40 to 125°C (K version), unless otherwise specified.
NOTES:
1. The measurement condition is VCC = 2.7 to 5.5 V and Topr = 25
°C.
2. Waiting time until the internal power supply generation circuit stabilizes during power-on.
3. Time until system clock supply starts after the interrupt is acknowledged to exit stop mode.
Table 5.42
High-speed On-Chip Oscillator Circuit Electrical Characteristics
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
fOCO40M
High-speed on-chip oscillator frequency
temperature supply voltage dependence
VCC = 4.75 to 5.25 V
0
°C Topr 60°C(2)
39.2
40
40.8
MHz
VCC = 3.0 to 5.5 V
-20
°C Topr 85°C(2)
38.8
40
41.2
MHz
VCC = 3.0 to 5.5 V
-40
°C Topr 85°C(2)
38.4
40
41.6
MHz
VCC = 3.0 to 5.5 V
-40
°C Topr 125°C(2)
38
40
42
MHz
VCC = 2.7 to 5.5 V
-40
°C Topr 125°C(2)
37.6
40
42.4
MHz
Value in FRA1 register after reset
08h
F7h
Oscillation frequency adjustment unit of high-
speed on-chip oscillator
Adjust FRA1 register
(value after reset) to -1
+0.3
MHz
Oscillation stability time
10
100
s
Self power consumption at oscillation
VCC = 5.0 V, Topr = 25
°C
400
A
Table 5.43
Low-speed On-Chip Oscillator Circuit Electrical Characteristics
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
fOCO-S
Low-speed on-chip oscillator frequency
40
125
250
kHz
Oscillation stability time
10
100
s
Self power consumption at oscillation
VCC = 5.0 V, Topr = 25
°C
15
A
Table 5.44
Power Supply Circuit Timing Characteristics
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
td(P-R)
Time for internal power supply stabilization during
power-on(2)
1
2000
s
td(R-S)
STOP exit time(3)
150
s
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