参数资料
型号: R5F21354ADFP
元件分类: 微控制器/微处理器
英文描述: FLASH, 20 MHz, MICROCONTROLLER, PQFP52
封装: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件页数: 49/57页
文件大小: 472K
代理商: R5F21354ADFP
R8C/35A Group
5. Electrical Characteristics
REJ03B0225-0100 Rev.1.00
Sep 10, 2009
Page 53 of 54
i = 0 to 2
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
Input Timing for External Interrupt INTi and Key Input Interrupt KIi when Vcc = 2.2 V
Table 5.33
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 5.34
External Interrupt INTi (i = 0 to 4) Input, Key Input Interrupt KIi (i = 0 to 3)
Symbol
Parameter
Standard
Unit
Min.
Max.
tW(INH)
INTi input “H” width, KIi input “H” width
1000 (1)
ns
tW(INL)
INTi input “L” width, KIi input “L” width
1000 (2)
ns
tW(CKH)
tC(CK)
tW(CKL)
th(C-Q)
th(C-D)
tsu(D-C)
td(C-Q)
CLKi
TXDi
RXDi
i = 0 to 2
VCC = 2.2 V
tW(INL)
tW(INH)
INTi input
(i = 0 to 4)
KIi input
(i = 0 to 3)
VCC = 2.2 V
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