参数资料
型号: R5F21388ANFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
封装: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件页数: 44/56页
文件大小: 469K
代理商: R5F21388ANFP
R8C/38A Group
5. Electrical Characteristics
REJ03B0274-0110 Rev.1.10 Sep 28, 2009
Page 49 of 54
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
i = 0 to 2
Figure 5.16
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 5.17
Input Timing Diagram for External Interrupt INTi and Key Input Interrupt KIi
when VCC = 3 V
Table 5.29
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 5.30
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
380 (1)
—ns
tW(INL)
INTi input “L” width, KIi input “L” width
380 (2)
—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
i = 0 to 2
tW(INL)
tW(INH)
VCC = 3 V
INTi input
(i = 0 to 4)
KIi input
(i = 0 to 3)
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