Rev. 2.0, 11/00, page 855 of 1037
Table 29.19 I
2
C Bus Interface Timing of HD6432194, HD6432193, HD6432192,
HD6432191, HD6432194C, HD6432194B, and HD6432194A
(Conditions: Vcc = AVcc = 4.0 to 5.5 V, Vss = AVss = 0.0 V, Ta = –20 to +75
°
C unless
otherwise specified.)
Values
Item
Symbol
Test
Conditions
Min
Typ
Max
Unit
Figure
SCL input cycle time
t
SCL
12
t
cyc
SCL input high pulse width
t
SCLH
3
t
cyc
SCL input low pulse width
t
SCLL
5
t
cyc
SCL, SDA input rise time
t
sr
7.5
*
t
cyc
SCL, SDA input fall time
t
sf
300
ns
SCL, SDA input spike pulse
removal time
t
sp
1
t
cyc
SDA input bus free time
t
BUF
5
t
cyc
Start condition input hold time
t
STAH
3
t
cyc
Re-transmit start condition
input setup time
t
STAS
3
t
cyc
Stop condition input setup time
t
STOS
3
t
cyc
Data input setup time
t
SDAS
0.5
t
cyc
Data input hold time
t
SDAH
0
ns
SCL, SDA capacity load
C
b
400
pF
Figure
29.10
Note:
*
Can also be set to 17.5 t
cyc
depending on the selection of clock to be used by the I
2
C
module.
Summary of Contents for Hitachi H8S/2191
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