参数资料
型号: R5F21191SP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
封装: 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件页数: 25/41页
文件大小: 725K
代理商: R5F21191SP
R8C/18 Group, R8C/19 Group
5. Electrical Characteristics
Rev.1.40
Apr 14, 2006
Page 31 of 38
REJ03B0124-0140
Timing Requirements
(Unless Otherwise Specified: VCC = 5 V, VSS = 0 V at Ta = 25
°C) [VCC = 5 V]
Figure 5.4
XIN Input Timing Diagram when VCC = 5 V
Figure 5.5
CNTR0 Input, CNTR1 Input, INT1 Input Timing Diagram when VCC = 5 V
NOTES:
1.
When using timer C input capture mode, adjust the cycle time to (1/timer C count source frequency x 3) or above.
2.
When using timer C input capture mode, adjust the pulse width to (1/timer C count source frequency x 1.5) or above.
Figure 5.6
TCIN Input, INT3 Input Timing Diagram when VCC = 5 V
Table 5.14
XIN Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(XIN)
XIN input cycle time
50
ns
tWH(XIN)
XIN input “H” width
25
ns
tWL(XIN)
XIN input “L” width
25
ns
Table 5.15
CNTR0 Input, CNTR1 Input, INT1 Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(CNTR0)
CNTR0 input cycle time
100
ns
tWH(CNTR0)
CNTR0 input “H” width
40
ns
tWL(CNTR0)
CNTR0 input “L” width
40
ns
Table 5.16
TCIN Input, INT3 Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(TCIN)
TCIN input cycle time
ns
tWH(TCIN)
TCIN input “H” width
ns
tWL(TCIN)
TCIN input “L” width
ns
tWH(XIN)
tc(XIN)
tWL(XIN)
XIN input
VCC = 5 V
tWH(CNTR0)
tc(CNTR0)
tWL(CNTR0)
CNTR0 input
VCC = 5 V
tWH(TCIN)
tc(TCIN)
tWL(TCIN)
TCIN input
VCC = 5 V
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