Section 17 I
2
C Bus Interface (IIC)
Rev. 3.00 Jan 25, 2006 page 537 of 872
REJ09B0286-0300
Master receive operation
Clear IRIC in ICCR
Yes
No
Yes
Yes
No
Yes
No
[1] Select receive mode.
[3] Wait for 1 byte to be received.
[4] Clear IRIC.
(to end the wait insertion)
[6] Read the receive data.
[9] Clear IRIC.
(to end the wait insertion)
[2] Start receiving. The first read
is a dummy read. (After reading from
ICDR, clear IRIC continuously.)
[7] Clear IRIC.
[10] Set acknowledge data for
the last reception.
[11] Clear IRIC.
(to end the wait insertion)
[12] Wait for 1 byte to be received.
[13] Clear wait mode.
Read receive data.
Clear
IRIC.
( IRIC should be cleared to 0
after setting WAIT = 0.)
[14] Stop condition issuance.
[8] Wait for the data for the second
and subsequent bytes to be received.
[5] Wait for 1 byte to be received.
Read IRIC in ICCR
Read ICDR
Clear IRIC in ICCR
IRIC = 1?
IRIC = 1?
Yes
Last receive?
Last receive?
Set ACKB = 1 in ICSR
Set TRS = 1 in ICCR
Clear IRIC = 1 in ICCR
Read IRIC in ICCR
Set WAIT = 0 in ICMR
Read ICDR
Clear IRIC in ICCR
Set BBSY = 0 and
SCP = 0 in ICCR
End
Set TRS = 0 in ICCR
Set ACKB = 0 in ICSR
Read IRIC in ICCR
IRIC = 1?
Yes
No
No
Read IRIC in ICCR
Clear IRIC in ICCR
No
IRIC = 1?
Set WAIT = 1 in ICMR
Clear IRIC in ICCR
Read ICDR
Figure 17.19 Sample Flowchart for Master Receive Mode
Содержание H8S/2158
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Страница 36: ...Rev 3 00 Jan 25 2006 page xxxiv of lii B Product Lineup 863 C Package Dimensions 864 Index 865...
Страница 47: ...Rev 3 00 Jan 25 2006 page xlv of lii Appendix Figure C 1 Package Dimensions TBP 112A 864...
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Страница 70: ...Section 1 Overview Rev 3 00 Jan 25 2006 page 16 of 872 REJ09B0286 0300...
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Страница 126: ...Section 4 Exception Handling Rev 3 00 Jan 25 2006 page 72 of 872 REJ09B0286 0300...
Страница 198: ...Section 6 Bus Controller Rev 3 00 Jan 25 2006 page 144 of 872 REJ09B0286 0300...
Страница 326: ...Section 10 8 Bit PWM Timer PWM Rev 3 00 Jan 25 2006 page 272 of 872 REJ09B0286 0300...
Страница 440: ...Section 15 Watchdog Timer WDT Rev 3 00 Jan 25 2006 page 386 of 872 REJ09B0286 0300...
Страница 606: ...Section 17 I 2 C Bus Interface IIC Rev 3 00 Jan 25 2006 page 552 of 872 REJ09B0286 0300...
Страница 742: ...Section 19 Multimedia Card Interface MCIF Rev 3 00 Jan 25 2006 page 688 of 872 REJ09B0286 0300...
Страница 744: ...Section 20 Encryption Operation Circuit DES and GF Rev 3 00 Jan 25 2006 page 690 of 872 REJ09B0286 0300...
Страница 750: ...Section 21 D A Converter Rev 3 00 Jan 25 2006 page 696 of 872 REJ09B0286 0300...
Страница 768: ...Section 22 A D Converter Rev 3 00 Jan 25 2006 page 714 of 872 REJ09B0286 0300...
Страница 770: ...Section 23 RAM Rev 3 00 Jan 25 2006 page 716 of 872 REJ09B0286 0300...
Страница 824: ...Section 26 Clock Pulse Generator Rev 3 00 Jan 25 2006 page 770 of 872 REJ09B0286 0300...
Страница 844: ...Section 27 Power Down Modes Rev 3 00 Jan 25 2006 page 790 of 872 REJ09B0286 0300...
Страница 878: ...Section 28 List of Registers Rev 3 00 Jan 25 2006 page 824 of 872 REJ09B0286 0300...
Страница 926: ...Index Rev 3 00 Jan 25 2006 page 872 of 872 REJ09B0286 0300...