h8s-2111b Renesas Electronics Corporation., h8s-2111b Datasheet - Page 356

• Manufacturer Part Number: h8s-2111b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Rev. 1.00, 05/04, page 322 of 544
Figure 13.17 Sample Flowchart for Operations in Slave Receive Mode (HNDS = 1)
No
Read AASX, AAS and ADZ in ICSR
No
No
Read ICDR, clear IRIC flag
Read IRIC flag in ICCR
Clear IRIC flag in ICCR
Read IRIC flag in ICCR
Read IRIC flag in ICCR
Clear IRIC flag in ICCR
Read IRIC flag in ICCR
Set ACKB = 0 in ICSR
and HNDS = 1 in ICXR
Set ACKB = 1 in ICSR
and TRS = 0 in ICCR
Slave receive mode
Clear IRIC in ICCR
Clear IRIC in ICCR
Read TRS in ICCR
Last reception?
and ADZ = 1?
ESTP = 1 or
Set MST = 0
ICDRF = 1?
Initialize IIC
Read ICDR
Read ICDR
STOP = 1?
IRIC = 1?
IRIC = 1?
TRS = 1?
IRIC = 1?
AAS = 1
End
Yes
Yes
Yes
No
No
Yes
No
No
Yes
No
Yes
Yes
Yes
[2] Read the receive data remaining unread.
[1] Initialization. Select slave receive mode.
[3] to [7] Wait for one byte to be received (slave address + R/W)
[10] Read the receive data. The first read is a dummy read.
[5] to [7] Wait for the reception to end.
[8] Clear IRIC
[10] Read the receive data.
[8] Clear IRIC flag.
[9] Set acknowledge data for the last reception.
[5] to [7] Wait for the reception to end or
[11] Detect stop condition.
[12] Confirm STOP bit.
[8] Clear IRIC flag.
[12] Clear IRIC flag.
Slave transmit mode
General call address processing
* Description omitted