參數資料
型號: R5F21282SDSP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
封裝: 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件頁數: 39/63頁
文件大?。?/td> 612K
代理商: R5F21282SDSP
R8C/28 Group, R8C/29 Group
5. Electrical Characteristics
Rev.2.10
Sep 26, 2008
Page 42 of 67
REJ03B0169-0210
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)
CLK0 input cycle time
300
ns
tW(CKH)
CLK0 input “H” width
150
ns
tW(CKL)
CLK0 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, 1, 3) Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tW(INH)
INTi input “H” width
ns
tW(INL)
INTi input “L” width
ns
tW(CKH)
tC(CK)
tW(CKL)
th(C-Q)
th(C-D)
tsu(D-C)
td(C-Q)
CLK0
TXDi
RXDi
VCC = 3 V
i = 0 or 1
INTi
input
tW(INL)
tW(INH)
VCC = 3 V
i = 0, 1, 3
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