Renesas Hitachi H8S/2194 Series Hardware Manual page 586

(a) When WAIT = 0, and FS = 0 or FSX = 0 (I
SCL
7
SDA
7
IRIC
User
processing
(b) When WAIT = 1, and FS = 0 or FSX = 0 (I
SCL
8
SDA
8
IRIC
User
processing
(c) When FS = 1 and FSX = 1 (synchronous serial format)
SCL
7
SDA
7
IRIC
User
processing
Figure 25.12 IRIC Setting Timing and SCL Control
2
C bus format, no wait)
8 9
8 A
Clear
IRIC
2
C bus format, wait inserted)
9
A
Clear IRIC
8
8
Clear IRIC
Write to ICDR (transmit) or
read ICDR (receive)
Clear IRIC Write to ICDR (transmit) or
read ICDR (receive)
Write to ICDR (transmit) or
read ICDR (receive)
Rev. 2.0, 11/00, page 559 of 1037
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1
1
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