Section 26 I
2
C Bus Interface (IIC)
Rev. 1.00 Oct. 01, 2007 Page 1056 of 1956
REJ09B0256-0100
(4) Monitor Reception of Data
1. Wait for master event, bit MDR in the master status register.
2. Read data from the received data register.
If the next byte of data is the second to last byte to be transmitted by the slave device, the
following applies to the receive interrupt (that is, MDR interrupt) in the second to last byte.
3. Set the master control register to H'8A
(Set the force stop control bit).
4. Reset the MDR bit.
(5) Wait for End of Reception
1. Handle the receive interrupt (MDR) in the last byte: that is, read the data and clear the MDR.
2. Wait for master event, MST in the master status register.
3. Reset the MST bit.
26.5.3 Master
Transmitter—Restart—Master
Receiver
In order to set up the master interface to transmit a data packet on the I
2
C bus, issue a restart, then
read byte data back from the slave, follow the following procedure:
(1) Load Clock Control Register
1. Set the SCL clock generation divider (SCGD) to H'03
(SCL frequency of 400 kHz).
2. Set the clock division (CDF) to H'2
(The peripheral clock is 66.7 MHz and the IIC's internal clock IICck is 16.7 MHz.)
(2) Load Master Control Register and Address
1. Set the master address register to address of slave being accessed and STM1 bit (writes mode:
0).
2. Set the master control register to H'89
(MDBS
=
1, MIE
=
1, ESG
=
1).
(3) Wait for Outputting Address
1. Wait for master event (an interrupt of the MAT and MDE bits in the master status register).
Содержание SH7763
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Страница 122: ...Section 2 Programming Model Rev 1 00 Oct 01 2007 Page 56 of 1956 REJ09B0256 0100 ...
Страница 144: ...Section 3 Instruction Set Rev 1 00 Oct 01 2007 Page 78 of 1956 REJ09B0256 0100 ...
Страница 170: ...Section 4 Pipelining Rev 1 00 Oct 01 2007 Page 104 of 1956 REJ09B0256 0100 ...
Страница 282: ...Section 7 Caches Rev 1 00 Oct 01 2007 Page 216 of 1956 REJ09B0256 0100 ...
Страница 378: ...Section 9 Interrupt Controller INTC Rev 1 00 Oct 01 2007 Page 312 of 1956 REJ09B0256 0100 ...
Страница 514: ...Section 12 DDR SDRAM Interface DDRIF Rev 1 00 Oct 01 2007 Page 448 of 1956 REJ09B0256 0100 ...
Страница 630: ...Section 13 PCI Controller PCIC Rev 1 00 Oct 01 2007 Page 564 of 1956 REJ09B0256 0100 ...
Страница 686: ...Section 14 Direct Memory Access Controller DMAC Rev 1 00 Oct 01 2007 Page 620 of 1956 REJ09B0256 0100 ...
Страница 710: ...Section 16 Clock Pulse Generator CPG Rev 1 00 Oct 01 2007 Page 644 of 1956 REJ09B0256 0100 ...
Страница 732: ...Section 17 Watchdog Timer and Reset WDT Rev 1 00 Oct 01 2007 Page 666 of 1956 REJ09B0256 0100 ...
Страница 752: ...Section 18 Power Down Mode Rev 1 00 Oct 01 2007 Page 686 of 1956 REJ09B0256 0100 ...
Страница 772: ...Section 19 Timer Unit TMU Rev 1 00 Oct 01 2007 Page 706 of 1956 REJ09B0256 0100 ...
Страница 824: ...Section 21 Compare Match Timer CMT Rev 1 00 Oct 01 2007 Page 758 of 1956 REJ09B0256 0100 ...
Страница 1060: ...Section 23 Gigabit Ethernet Controller GETHER Rev 1 00 Oct 01 2007 Page 994 of 1956 REJ09B0256 0100 ...
Страница 1062: ...Section 24 IP Security Accelerator SECURITY Rev 1 00 Oct 01 2007 Page 996 of 1956 REJ09B0256 0100 ...
Страница 1124: ...Section 26 I 2 C Bus Interface IIC Rev 1 00 Oct 01 2007 Page 1058 of 1956 REJ09B0256 0100 ...
Страница 1184: ...Section 27 Serial Communication Interface with FIFO SCIF Rev 1 00 Oct 01 2007 Page 1118 of 1956 REJ09B0256 0100 ...
Страница 1350: ...Section 30 SIM Card Module SIM Rev 1 00 Oct 01 2007 Page 1284 of 1956 REJ09B0256 0100 ...
Страница 1484: ...Section 33 Audio Codec Interface HAC Rev 1 00 Oct 01 2007 Page 1418 of 1956 REJ09B0256 0100 ...
Страница 1560: ...Section 35 USB Host Controller USBH Rev 1 00 Oct 01 2007 Page 1494 of 1956 REJ09B0256 0100 ...
Страница 1720: ...Section 37 LCD Controller LCDC Rev 1 00 Oct 01 2007 Page 1654 of 1956 REJ09B0256 0100 ...
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