r5f21346ykfp Renesas Electronics Corporation., r5f21346ykfp Datasheet - Page 61

• Manufacturer Part Number: r5f21346ykfp
• Description: R8c/34w Group, R8c/34x Group, R8c/34y Group, R8c/34z Group Renesas Mcu
• Manufacturer: Renesas Electronics Corporation.

Under development
R8C/34W Group, R8C/34X Group, R8C/34Y Group, R8C/34Z Group
REJ03B0312-0010 Rev.0.10
Apr 09, 2010
Figure 5.9
Figure 5.10
INTi input
(i = 0 to 4)
KIi input
(i = 0 to 3)
CLKi
TXDi
RXDi
Table 5.20
i = 0, 2
Table 5.21
Notes:
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
Preliminary document
Specifications in this document are tentative and subject to change.
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 for External Interrupt INTi and Key Input Interrupt KIi when Vcc = 5 V
i = 0, 2
t
t
W(CKH)
W(INL)
Parameter
Parameter
t
d(C-Q)
t
C(CK)
t
t
W(INH)
W(CKL)
CC
= 5 V
t
su(D-C)
t
h(C-D)
250
250
Min.
Min.
200
100
100
50
90
−
0
(1)
(2)
Standard
Standard
t
h(C-Q)
5. Electrical Characteristics
Max.
Max.
90
−
−
−
−
−
−
−
−
V
V
CC
CC
Page 61 of 67
= 5 V
= 5 V
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns