R01DS0012EJ0110_15 Datasheet, PDF (65/70 Pages) Renesas Technology Corp – RENESAS MCU

R8C/34W Group, R8C/34X Group, R8C/34Y Group, R8C/34Z Group
5. Electrical Characteristics
Timing requirements
(Unless Otherwise Specified: VCC = 3 V, VSS = 0 V at Topr = −40°C to 85°C (J ver)/−40°C to 125°C (K ver))
Table 5.25 External clock input (XOUT)
Symbol
tc(XOUT)
tWH(XOUT)
tWL(XOUT)
XOUT input cycle time
XOUT input “H” width
XOUT input “L” width
Parameter
Standard
Unit
Min.
Max.
50
−
ns
24
−
ns
24
−
ns
External Clock Input
tWH(XOUT)
tC(XOUT)
tWL(XOUT)
Figure 5.11 External Clock Input Timing Diagram when VCC = 3 V
Table 5.26 TRAIO Input
Symbol
tc(TRAIO)
tWH(TRAIO)
tWL(TRAIO)
TRAIO input cycle time
TRAIO input “H” width
TRAIO input “L” width
Parameter
VCC = 3 V
Standard
Unit
Min.
Max.
300
−
ns
120
−
ns
120
−
ns
TRAIO input
tWH(TRAIO)
tC(TRAIO)
tWL(TRAIO)
Figure 5.12 TRAIO Input Timing Diagram when VCC = 3 V
Table 5.27 Serial Interface
Symbol
tc(CK)
tW(CKH)
tW(CKL)
td(C-Q)
th(C-Q)
tsu(D-C)
th(C-D)
td(C-Q)
tsu(D-C)
th(C-D)
i = 0, 2
Parameter
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
TXDi output delay time
RXDi input setup time
RXDi input hold time
Condition
When external clock selected
When internal clock selected
VCC = 3 V
Standard
Unit
Min.
Max.
300
−
ns
150
−
ns
150
−
ns
−
120
ns
0
−
ns
30
−
ns
90
−
ns
−
30
ns
120
−
ns
90
−
ns
R01DS0012EJ0110 Rev.1.10
Jan 31, 2013
Page 65 of 67