r5f21348knfp Renesas Electronics Corporation., r5f21348knfp Datasheet - Page 49

• Manufacturer Part Number: r5f21348knfp
• Description: R8c/34k Group Renesas Mcu
• Manufacturer: Renesas Electronics Corporation.

R8C/34K Group
R01DS0040EJ0100 Rev.1.00
Feb 25, 2011
Figure 5.13
Figure 5.14
CLKi
TXDi
RXDi
Table 5.22
i = 0 to 3
Table 5.23
Notes:
INTi input
(i = 0 to 4)
KIi input
(i = 0 to 3)
t
t
t
t
t
t
t
t
t
c(CK)
W(CKH)
W(CKL)
d(C-Q)
h(C-Q)
su(D-C)
h(C-D)
W(INH)
W(INL)
Symbol
Symbol
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
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.
frequency × 3) or the minimum value of standard, whichever is greater.
CLKi input cycle time
CLKi input “H” width
CLKi input “L” width
TXDi output delay time
TXDi hold time
RXDi input setup time
RXDi input hold time
INTi input “H” width, KIi input “H” width
INTi input “L” width, KIi input “L” width
Serial Interface
Serial Interface Timing Diagram when V
External Interrupt INTi (i = 0 to 4) Input, Key Input Interrupt KIi (i = 0 to 3)
Input Timing Diagram for External Interrupt INTi and Key Input Interrupt KIi
when V
i = 0 to 3
CC
= 5 V
t
t
W(INL)
W(CKH)
Parameter
Parameter
t
d(C-Q)
t
C(CK)
t
W(INH)
t
W(CKL)
CC
= 5 V
t
su(D-C)
t
h(C-D)
5. Electrical Characteristics
250
250
Min.
Min.
200
100
100
50
90
—
0
(1)
(2)
Standard
Standard
t
h(C-Q)
V
V
CC
Max.
Max.
CC
50
—
—
—
—
—
—
—
—
Page 49 of 58
= 5 V
= 5 V
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns