Serial Communication Interface Timing - Hitachi SH7032 Hardware Manual

(8) Serial Communication Interface Timing

Table 20.25 Serial Communication Interface Timing
Conditions: V = 3.3 V ±0.3V, AV
CC
AV , V
CC
Notes: *1 ROMless products only for 20 MHz version
*2 Regular-specification products; for wide-temperature-range products, Ta = –40 to
+85°C
Item
Input clock cycle
Input clock cycle (synchronous mode)
Input clock pulse width
Input clock rise time
Input clock fall time
Transmit data delay time (synchronous
mode)
Receive data setup time (synchronous
mode)
Receive data hold time (synchronous
mode)
550
= 3.3 V ±0.3V, AV
CC
= 0 V, φ = 12.5 to 20 MHz *
= AV
SS SS
SCK0, SCK1
Figure 20.71 Input Clock Timing
= V
CC
1
, Ta = –20 to +75°C *
Symbol Min
t 4
scyc
t 6
scyc
t 0.4
SCKW
t —
SCKr
t —
SCKf
t —
TXD
t 100
RXS
t 100
RXH
t t
SCKW SCKr
t
scyc
±0.3V, AV = 3.0 V to
CC ref
2
Max Unit Figure
— t 20.71
cyc
— t
cyc
0.6 t
scyc
1.5 t
cyc
1.5 t
cyc
100 ns 20.72
— ns
— ns
t
SCKf