参数资料
型号: R5F21388ANFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
封装: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件页数: 43/56页
文件大小: 469K
代理商: R5F21388ANFP
R8C/38A Group
5. Electrical Characteristics
REJ03B0274-0110 Rev.1.10 Sep 28, 2009
Page 48 of 54
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
Timing requirements
(Unless Otherwise Specified: VCC = 3 V, VSS = 0 V, Topr = 25
°C)
Figure 5.13
XIN Input and XCIN Input Timing Diagram when VCC = 3 V
Figure 5.14
TRAIO Input Timing Diagram when VCC = 3 V
Notes:
1. When using timer RF input capture mode, adjust the cycle time to (1/timer RF count source frequency × 3) or above.
2. When using timer RF input capture mode, adjust the pulse width to (1/timer RF count source frequency × 1.5) or above.
Figure 5.15
TRFI Input Timing Diagram when VCC = 3 V
Table 5.26
XIN Input, XCIN Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(XIN)
XIN input cycle time
50
ns
tWH(XIN)
XIN input “H” width
24
ns
tWL(XIN)
XIN input “L” width
24
ns
tc(XCIN)
XCIN input cycle time
14
s
tWH(XCIN)
XCIN input “H” width
7
s
tWL(XCIN)
XCIN input “L” width
7
s
Table 5.27
TRAIO Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(TRAIO)
TRAIO input cycle time
300
ns
tWH(TRAIO)
TRAIO input “H” width
120
ns
tWL(TRAIO)
TRAIO input “L” width
120
ns
Table 5.28
TRFI Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(TRFI)
TRFI input cycle time
1,200 (1)
—ns
tWH(TRFI)
TRFI input “H” width
600 (2)
—ns
tWL(TRFI)
TRFI input “L” width
600 (2)
—ns
XIN input
tWH(XIN)
tC(XIN)
tWL(XIN)
VCC = 3 V
TRAIO input
VCC = 3 V
tC(TRAIO)
tWL(TRAIO)
tWH(TRAIO)
tWH(TRFI)
tc(TRFI)
tWL(TRFI)
TRFI input
VCC = 3 V
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