HD404849 Datasheet, PDF (121/125 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer

HD404849 Series
During Transmit Clock Input
Item
Symbol Pin Min Typ Max Unit Test Condition
Transmit clock cycle time
Transmit clock high width
Transmit clock low width
Transmit clock rise time
Transmit clock fall time
Transmit output data delay
time
t _Scyc
t _SCKH
t _SCKL
t _SCKr
t _SCKf
t _DSO
SCK 1.0 —
SCK 0.4 —
SCK 0.4 —
SCK — —
SCK — —
SO — —
—
—
—
100
t _cyc
t _Scyc
t _Scyc
ns
100 ns
300 ns
—
—
—
—
—
Load shown in figure
100
Serial input data setup time t_SSI
Serial input data hold time t_HSI
Note: 1. Refer to figure 99.
SI 200 — — ns —
SI 200 — — ns —
Note
1
1
1
1
1
1
1
1
OSC₁
V_CC – 0.3 V
0.3 V
t_CPr
1/f_CP
t_CPH
t_CPL
t_CPf
Figure 95 External Clock Timing
INT₀ to INT₃,
EVNB, EVND
0.9V_CC
0.1V_CC
t_IH
t_IL
Figure 96 Interrupt Timing
RESET
0.9V_CC
0.1V_CC
t_RSTL
Figure 97 Reset Timing
t_RSTr
STOPC
0.9V_CC
0.1V_CC
t_STPL
Figure 98 STOPC Timing
t_STPr
121