Section 31 Electrical Characteristics
Rev. 1.00 Mar. 12, 2008 Page 1152 of 1178
REJ09B0403-0100
Table 31.12 I
2
C Bus Timing
Conditions: VCC = 3.0 V to 3.6 V, VSS = 0 V,
φ
= 20 MHz to 34 MHz
Item Symbol
Min.
Typ.
Max.
Unit
Test
Conditions
SCL input cycle time
t
SCL
12
t
cyc
SCL input high pulse width t
SCLH
3
SCL input low pulse width t
SCLL
5
SCL, SDA input rise time
t
Sr
7.5
*
SCL, SDA input fall time
t
Sf
300
ns
SCL, SDA output fall time
t
Of
20 + 0.1 C
b
250
SCL, SDA input spike
pulse elimination time
t
SP
1 t
cyc
SDA input bus free time
t
BUF
5
Start condition input hold
time
t
STAH
3
Repeated start condition
input setup time
t
STAS
3
Stop condition input setup
time
t
STOS
3
Data input setup time
t
SDAS
0.5
Data input hold time
t
SDAH
0
ns
SCL, SDA capacitive load C
b
400
pF
Figure 31.32
Note:
*
17.5
t
cyc
or 37.5 t
cyc
can be set according to the clock selected for use by the IIC module.
Summary of Contents for H8S Family
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Page 70: ...Section 1 Overview Rev 1 00 Mar 12 2008 Page 22 of 1178 REJ09B0403 0100...
Page 108: ...Section 2 CPU Rev 1 00 Mar 12 2008 Page 60 of 1178 REJ09B0403 0100...
Page 116: ...Section 3 MCU Operating Modes Rev 1 00 Mar 12 2008 Page 68 of 1178 REJ09B0403 0100...
Page 152: ...Section 5 Interrupt Controller Rev 1 00 Mar 12 2008 Page 104 of 1178 REJ09B0403 0100...
Page 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Page 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
Page 476: ...Section 12 Watchdog Timer WDT Rev 1 00 Mar 12 2008 Page 428 of 1178 REJ09B0403 0100...
Page 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Page 712: ...Section 18 I2 C Bus Interface IIC Rev 1 00 Mar 12 2008 Page 664 of 1178 REJ09B0403 0100...
Page 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Page 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Page 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Page 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Page 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
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