h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 638

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 I
Rev. 6.00 Feb 22, 2005 page 578 of 1484
REJ09B0103-0600
No
No
No
2
C Bus Interface [Option] (Only for the H8S/2638, H8S/2639, and H8S/2630)
Read AAS and ADZ in ICSR
Figure 15-14 Flowchart for Slave Transmit Mode (Example)
Set ACKB = 0 in ICSR
Set ACKB = 0 in ICSR
and TRS = 0 in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Read TRS in ICCR
Last receive?
and ADZ = 0?
Set MST = 0
Read ICDR
Read ICDR
Read ICDR
IRIC = 1?
IRIC = 1?
IRIC = 1?
TRS = 0?
Initialize
AAS = 1
Start
End
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
General call address processing
Slave transmit mode
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
* Description omitted
[1] Select slave receive mode
[2] Wait for the first byte to be received (slave
[3] Start receiving. The first read is a dummy read
[4] Wait for the transfer to end
[5] Set acknowledge data for the last receive
[6] Start the last receive
[7] Wait for the transfer to end
[8] Read the last receive data
address)