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参数资料
型号： R5F21258SDXXXFP
元件分类： 微控制器/微处理器
英文描述： 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52
封装： 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件页数： 41/59页
文件大小： 528K
代理商： R5F21258SDXXXFP
R8C/24 Group, R8C/25 Group
5. Electrical Characteristics
Rev.3.00
Feb 29, 2008
Page 46 of 51
REJ03B0117-0300
i = 0 or 1
Figure 5.14
Serial Interface Timing Diagram when VCC = 3 V
NOTES:
1.
When selecting the digital filter by the INTi input filter select bit, use an INTi input HIGH width of either (1/digital filter clock
frequency × 3) or the minimum value of standard, whichever is greater.
2.
When selecting the digital filter by the INTi input filter select bit, use an INTi input LOW width of either (1/digital filter clock
frequency × 3) or the minimum value of standard, whichever is greater.
Figure 5.15
External Interrupt INTi Input Timing Diagram when VCC = 3 V
Table 5.26
Serial Interface
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(CK)
CLKi input cycle time
300
ns
tW(CKH)
CLKi input “H” width
150
ns
tW(CKL)
CLKi Input “L” width
150
ns
td(C-Q)
TXDi output delay time
80
ns
th(C-Q)
TXDi hold time
0
ns
tsu(D-C)
RXDi input setup time
70
ns
th(C-D)
RXDi input hold time
90
ns
Table 5.27
External Interrupt INTi (i = 0 to 3) Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tW(INH)
INT0 input “H” width
380(1)
ns
tW(INL)
INT0 input “L” width
380(2)
ns
tW(CKH)
tC(CK)
tW(CKL)
th(C-Q)
th(C-D)
tsu(D-C)
td(C-Q)
CLKi
TXDi
RXDi
VCC = 3 V
i = 0 or 1
INTi
input
tW(INL)
tW(INH)
VCC = 3 V
i = 0 to 3
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