Section 18
I
2
C Bus Interface (IIC)
Rev. 1.00 Mar. 12, 2008 Page 635 of 1178
REJ09B0403-0100
SDA
(master output)
SDA
(slave output)
2
1
2
1
4
3
6
5
8
7
9
Bit 7
Bit 6
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ICDRF
IRIC
ICDRS
ICDRR
SCL
(master output)
SCL
(slave output)
Address
+R/
W
Address
+R/
W
Undefined value
[8] IRIC clear
[10] ICDR read (dummy read)
User processing
2
1
2
1
4
3
6
5
8
7
9
SCL
(Pin waveform)
Start condition generation
Slave address
Data 1
[6]
A
R/
W
[7] SCL is fixed low until ICDR is read
[2] ICDR read
Interrupt
request
occurrence
Figure 18.18 Slave Receive Mode Operation Timing Example (1) (MLS = 0, HNDS= 1)
SDA
(master output)
SDA
(slave output)
2
1
4
3
6
5
8
7
9
8
9
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 0
IRIC
ICDRS
ICDRF
ICDRR
Data (n-1)
SCL
(master output)
SCL
(slave output)
[8] IRIC clear
[12] IRIC clear
[9] Set ACKB=1
[10] ICDR read (Data (n-1))
[10] ICDR read
(Data (n))
User processing
Data (n)
Data (n-1)
Data (n-2)
[6] [6]
[11]
A
A
Stop condition generation
[7] SCL is fixed low until ICDR is read
[7] SCL is fixed low until ICDR is read
Data (n-1)
Data (n)
Data (n)
[8] IRIC clear
Figure 18.19 Slave Receive Mode Operation Timing Example (2) (MLS = 0, HNDS= 1)
Содержание H8S Family
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Страница 70: ...Section 1 Overview Rev 1 00 Mar 12 2008 Page 22 of 1178 REJ09B0403 0100...
Страница 108: ...Section 2 CPU Rev 1 00 Mar 12 2008 Page 60 of 1178 REJ09B0403 0100...
Страница 116: ...Section 3 MCU Operating Modes Rev 1 00 Mar 12 2008 Page 68 of 1178 REJ09B0403 0100...
Страница 152: ...Section 5 Interrupt Controller Rev 1 00 Mar 12 2008 Page 104 of 1178 REJ09B0403 0100...
Страница 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Страница 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
Страница 476: ...Section 12 Watchdog Timer WDT Rev 1 00 Mar 12 2008 Page 428 of 1178 REJ09B0403 0100...
Страница 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Страница 588: ...Section 15 Serial Communication Interface with FIFO SCIF Rev 1 00 Mar 12 2008 Page 540 of 1178 REJ09B0403 0100...
Страница 632: ...Section 17 Synchronous Serial Communication Unit SSU Rev 1 00 Mar 12 2008 Page 584 of 1178 REJ09B0403 0100...
Страница 712: ...Section 18 I2 C Bus Interface IIC Rev 1 00 Mar 12 2008 Page 664 of 1178 REJ09B0403 0100...
Страница 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Страница 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Страница 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Страница 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Страница 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
Страница 1168: ...Section 30 Platform Environment Control Interface PECI Rev 1 00 Mar 12 2008 Page 1120 of 1178 REJ09B0403 0100...
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Страница 1230: ...H8S 2472 Group H8S 2462 Group Hardware Manual...