HD404629R Datasheet, PDF (151/157 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a DTMF Generator Circuit

HD404629R Series
Serial Interface Timing Characteristics (HD404628R, HD4046212R, HD404629R: V_CC = 2.7 to 6.0 V,
GND = 0 V, T_a = –20°C to +75°C; HD4074629: V_CC = 2.7 to 5.5 V, GND = 0 V, T_a = –20°C to +75°C,
unless otherwise specified)
During Transmit Clock Output
Item
Symbol Pin Min Typ Max Unit Test Condition
Transmit clock cycle time
t_Scyc
SCK 1.0 —
—
t_cyc
Load shown in
figure 113
Transmit clock high width t_SCKH
SCK 0.5 —
—
t_Scyc Load shown in
figure 113
Transmit clock low width
t_SCKL
SCK 0.5 —
—
t_Scyc Load shown in
figure 113
Transmit clock rise time
t_SCKr
SCK —
—
200 ns
Load shown in
figure 113
Transmit clock fall time
t_SCKf
SCK —
—
200 ns
Load shown in
figure 113
Serial output data
delay time
t_DSO
SO —
—
500 ns
Load shown in
figure 113
Serial input data
setup time
t_SSI
SI
300 —
—
ns
—
Serial input data
t_HSI
hold time
Note: 1. Refer to figure 112.
SI
300 —
—
ns
—
Notes
1
1
1
1
1
1
1
1
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
Serial output data
delay time
t_Scyc
t_SCKH
t_SCKL
t_SCKr
t_SCKf
t_DSO
SCK 1.0 —
SCK 0.5 —
SCK 0.5 —
SCK —
—
SCK —
—
SO —
—
—
t_cyc
—
—
tScyc
—
—
t_Scyc
—
200 ns
—
200 ns
—
500 ns
Load shown in
figure 113
Serial input data
setup time
t_SSI
SI
300 —
—
ns
—
Serial input data
t_HSI
hold time
Note: 1. Refer to figure 112.
SI
300 —
—
ns
—
Notes
1
1
1
1
1
1
1
1
149