Ac Characteristics; Clock Pins - Renesas PFESiP/V850EP1 User Manual

1.7 AC Characteristics

1.7.1 Clock pins

(1) Input clock
Parameter
X1 input cycle
PCLKIN input frequency
DCK input cycle
<R>
UCLK input frequency
UCLK High-level width
UCLK low-level width
16
CHAPTER 1 PRODUCT SPECIFCATIONS
Table 1-8. Input Clock Timing
Symbol Conditions
t
SCLK
f
SPCLK
t
SDCK
f
SUCLK
t
HWS
t
LWS
User's Manual A19069EJ2V0UM
MIN. MAX.
−
20.83
25 33
40 −
48 -1500 ppm 48+1500 ppm
−
8
−
8
Unit
ns
ns
ns
MHz
ns
ns