912
Table 25-10 I
2
C Bus Timing
Conditions: V
CC
= PLV
CC
= 3.0 V to 3.6 V, PV
CC
= 3.0 V to 5.5 V, V
SS
= 0 V, ø = 5 MHz to
maximum operating frequency, T
a
= –20°C to +75°C
Ratings
Item
Symbol
Min
Typ
Max
Unit
Notes
SCL input cycle time
t
SCL
12t
cyc
—
—
ns
Figure 25-33
SCL input high pulse width
t
SCLH
3t
cyc
—
—
ns
SCL input low pulse width
t
SCLL
5t
cyc
—
—
ns
SCL, SDA input rise time
t
Sr
—
—
7.5t
cyc
*
ns
SCL, SDA input fall time
t
Sf
—
—
300
ns
SCL, SDA input spike pulse
elimination time
t
SP
—
—
1t
cyc
ns
SDA input bus free time
t
BUF
5t
cyc
—
—
ns
Start condition input hold time
t
STAH
3t
cyc
—
—
ns
Retransmission start condition input
setup time
t
STAS
3t
cyc
—
—
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 I
2
C module. For details,
see section 18.4, Usage Notes.
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...