參數(shù)資料
型號(hào): R5F21208KFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù): 30/45頁
文件大小: 418K
代理商: R5F21208KFP
R8C/20 Group, R8C/21 Group
5. Electrical Characteristics
Rev.2.00 Aug 27, 2008
Page 36 of 41
REJ03B0120-0200
i = 0 or 1
Figure 5.10
Serial Interface Timing Diagram when VCC = 5 V
NOTES:
1.
When selecting the digital filter by the INTi input filter select bit, use the INTi input HIGH width to the greater value, either
(1/digital filter clock frequency x 3) or the minimum value of standard.
2.
When selecting the digital filter by the INTi input filter select bit, use the INTi input LOW width to the greater value, either
(1/digital filter clock frequency x 3) or the minimum value of standard.
Figure 5.11
External Interrupt INTi Input Timing Diagram when VCC = 5 V (i = 0 to 3)
Table 5.18
Serial Interface
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(CK)
CLK0 input cycle time
200
ns
tW(CKH)
CLK0 input “H” width
100
ns
tW(CKL)
CLK0 input “L” width
100
ns
td(C-Q)
TXDi output delay time
50
ns
th(C-Q)
TXDi hold time
0
ns
tsu(D-C)
RXDi input setup time
50
ns
th(C-D)
RXDi input hold time
90
ns
Table 5.19
External Interrupt INTi (i = 0 to 3) Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tW(INH)
INTi input “H” width
ns
tW(INL)
INTi input “L” width
ns
i = 0 or 1
Vcc = 5V
CLK0
TXDi
RXDi
tW(CKH)
tc(CK)
tW(CKL)
th(C-Q)
th(C-D)
tsu(D-C)
td(C-Q)
i = 0 to 3
Vcc = 5V
INTi input
tW(INL)
tW(INH)
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