参数资料
型号: R5F21191DD
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP20
封装: 6.30 X 19 MM, 1.78 MM PITCH, PLASTIC, SDIP-20
文件页数: 30/41页
文件大小: 725K
代理商: R5F21191DD
R8C/18 Group, R8C/19 Group
5. Electrical Characteristics
Rev.1.40
Apr 14, 2006
Page 36 of 38
REJ03B0124-0140
i = 0 or 1
Figure 5.12
Serial Interface Timing Diagram when VCC = 3 V
NOTES:
1.
When selecting the digital filter by the INT0 input filter select bit, use an INT0 input HIGH width of either (1/digital filter clock
frequency x 3) or the minimum value of standard, whichever is greater.
2.
When selecting the digital filter by the INT0 input filter select bit, use an INT0 input LOW width of either (1/digital filter clock
frequency x 3) or the minimum value of standard, whichever is greater.
Figure 5.13
External Interrupt INT0 Input Timing Diagram when VCC = 3 V
Table 5.24
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 5.25
External Interrupt INT0 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 = 3 V
INTi input
tW(INL)
tW(INH)
VCC = 3 V
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