HD6432633 Datasheet, PDF (1098/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

Table 25-10 I²C Bus Timing
Conditions: V_CC = PLLV_CC = 3.0 V to 3.6 V, PV_CC = 3.0 V to 5.5 V, V_SS = AV_SS = PLLV_SS = 0 V,
ø = 5 MHz to maximum operating frequency, T_a = –20°C to +75°C (regular
specifications), T_a = –40°C to +85°C (wide-range specifications)
Ratings
Item
Symbol Min
Typ Max Unit Notes
SCL input cycle time
SCL input high pulse width
SCL input low pulse width
SCL, SDA input rise time
SCL, SDA input fall time
SCL, SDA input spike pulse
elimination time
t _SCL
t _SCLH
t _SCLL
t _Sr
t _Sf
t _SP
12t_cyc
3t _cyc
5t _cyc
—
—
—
—
—
ns Figure 25-33
—
—
ns
—
—
ns
—
7.5t_cyc* ns
—
300 ns
—
1t _cyc
ns
SDA input bus free time
t _BUF
5t _cyc
Start condition input hold time
t _STAH
3t _cyc
Retransmission start condition input t_STAS
3t _cyc
setup time
—
—
ns
—
—
ns
—
—
ns
Stop condition input setup time
t _STOS
3t _cyc
—
—
ns
Data input setup time
t _SDAS
0.5t_cyc
—
—
ns
Data input hold time
t _SDAH
0
—
—
ns
SCL, SDA capacitive load
C_b
—
—
400 pF
Note: * 17.5t_cyc can be set according to the clock selected for use by the I²C module. For details,
see section 18.4, Usage Notes.
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