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Section 16 I
2
C Bus Interface 2 (IIC2)
Rev. 4.00 Sep. 14, 2005 Page 476 of 982
REJ09B0023-0400
16.3 Register
Descriptions
The I
2
C bus interface 2 has the following registers:
•
I
2
C bus control register 1 (ICCR1)
•
I
2
C bus control register 2 (ICCR2)
•
I
2
C bus mode register (ICMR)
•
I
2
C bus interrupt enable register (ICIER)
•
I
2
C bus status register (ICSR)
•
I
2
C bus slave address register (SAR)
•
I
2
C bus transmit data register (ICDRT)
•
I
2
C bus receive data register (ICDRR)
•
I
2
C bus shift register (ICDRS)
•
NF2CYC register (NF2CYC)
16.3.1 I
2
C Bus Control Register 1 (ICCR1)
ICCR1 is an 8-bit readable/writable register that enables or disables the I
2
C bus interface 2,
controls transmission or reception, and selects master or slave mode, transmission or reception,
and transfer clock frequency in master mode.
ICCR1 is initialized to H'00 by a power-on reset.
Bit Bit
Name
Initial
Value R/W Description
7 ICE 0 R/W
I
2
C Bus Interface Enable
0: This module is halted. (SCL and SDA pins are set to
port function.)
1: This bit is enabled for transfer operations. (SCL and
SDA pins are bus drive state.)
6 RCVD
0 R/W
Reception
Disable
This bit enables or disables the next operation when
TRS is 0 and ICDRR is read.
0: Enables next reception
1: Disables next reception
Summary of Contents for HD6417641
Page 2: ...Rev 4 00 Sep 14 2005 Page ii of l...
Page 7: ...Rev 4 00 Sep 14 2005 Page vii of l...
Page 11: ...Rev 4 00 Sep 14 2005 Page xi of l USB Universal serial bus WDT Watch dog timer...
Page 12: ...Rev 4 00 Sep 14 2005 Page xii of l...
Page 28: ...Rev 4 00 Sep 14 2005 Page xxviii of l...
Page 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
Page 212: ...Section 5 Watchdog Timer WDT Rev 4 00 Sep 14 2005 Page 162 of 982 REJ09B0023 0400...
Page 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
Page 246: ...Section 8 X Y Memory Rev 4 00 Sep 14 2005 Page 196 of 982 REJ09B0023 0400...
Page 318: ...Section 11 User Break Controller UBC Rev 4 00 Sep 14 2005 Page 268 of 982 REJ09B0023 0400...
Page 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Page 504: ...Section 14 U Memory Rev 4 00 Sep 14 2005 Page 454 of 982 REJ09B0023 0400...
Page 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Page 868: ...Section 21 A D Converter Rev 4 00 Sep 14 2005 Page 818 of 982 REJ09B0023 0400...
Page 914: ...Section 23 I O Ports Rev 4 00 Sep 14 2005 Page 864 of 982 REJ09B0023 0400...
Page 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Page 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Page 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
Page 1032: ...Rev 4 00 Sep 14 2005 Page 982 of 982 REJ09B0023 0400 X X Y data addressing 52 X Y memory 193...
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Page 1036: ...SH7641 Hardware Manual...