參數資料
型號: R5F21246SDXXXFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數: 46/59頁
文件大?。?/td> 528K
代理商: R5F21246SDXXXFP
R8C/24 Group, R8C/25 Group
5. Electrical Characteristics
Rev.3.00
Feb 29, 2008
Page 50 of 51
REJ03B0117-0300
i = 0 or 1
Figure 5.18
Serial Interface Timing Diagram when VCC = 2.2 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 5.19
External Interrupt INTi Input Timing Diagram when VCC = 2.2 V
Table 5.32
Serial Interface
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(CK)
CLKi input cycle time
800
ns
tW(CKH)
CLKi input “H” width
400
ns
tW(CKL)
CLKi input “L” width
400
ns
td(C-Q)
TXDi output delay time
200
ns
th(C-Q)
TXDi hold time
0
ns
tsu(D-C)
RXDi input setup time
150
ns
th(C-D)
RXDi input hold time
90
ns
Table 5.33
External Interrupt INTi (i = 0 to 3) Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tW(INH)
INT0 input “H” width
ns
tW(INL)
INT0 input “L” width
ns
tW(CKH)
tC(CK)
tW(CKL)
th(C-Q)
th(C-D)
tsu(D-C)
td(C-Q)
CLKi
TXDi
RXDi
VCC = 2.2 V
i = 0 or 1
INTi input
tW(INL)
tW(INH)
VCC = 2.2 V
i = 0 to 3
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