408
CHAPTER 21 400 kHz I
2
C INTERFACE
21.2
I
2
C Interface Registers
This section describes the function of the I
2
C interface registers in detail.
■
I
2
C Interface Registers
Bus Control Register (IBCR)
Bus Status Register (IBSR)
Ten Bit slave Address register (ITBA)
Ten bit slave address MasK register (ITMK)
Seven Bit slave Address register (ISBA)
Initial value
0 0 0 0 0 0 0 0
B
R/W R/W W R/W
R/W
R/W
R/W R/W
Address:
H
0035A1
IBCR
15
bit
bit
bit
bit
bit
bit
bit
14
13
12
11
10
9
8
BER BEIE
SCC MSS
ACK GCAA INTE
INT
Initial value
0 0 0 0 0 0 0 0
B
R R R R
R
R
R R
Address:
H
0035A0
IBSR
7
6
5
4
3
2
1
0
BB
RSC AL
LRB
TRX
AAS
GCA
ADT
Initial value
0 0 0 0 0 0 0 0
B
ITBAH (upper)
R/W R/W
H
0035A3
15
14
13
12
11
10
9
8
- - - - - -
TA9 TA8
- - - - - -
7
6
5
4
3
2
1
0
Initial value
0 0 0 0 0 0 0 0
B
R/W R/W R/W R/W
R/W
R/W
R/W
R/W
H
0035A2
ITBAL (lo
w
er)
TA7 TA6 TA5 TA4 TA3 TA2 TA1 TA0
Initial value
0 0 1 1 1 1 1 1
B
ITMKH (upper)
H
0035A5
15
14
13
12
11
10
9
8
ENTB RAL - - - -
TM9 TM8
R/W R/W
R/W R/W - - - -
7
6
5
4
3
2
1
0
Initial value
1 1 1 1 1 1 1 1
B
R/W R/W R/W R/W
R/W
R/W
R/W
R/W
H
0035A4
ITMKL (lo
w
er)
TM7 TM6 TM5 TM4 TM3 TM2 TM1TM0
7
6
5
4
3
2
1
0
Initial value
0 0 0 0 0 0 0 0
B
- R/W R/W R/W
R/W
R/W
R/W
R/W
H
0035A6
ISBA
-
SA6 SA5 SA4 SA3 SA2 SA1 SA0
R/
R
:
Read only
W
:
Write only
-
:
Undefined
W
:
Readable and
w
ritable
Содержание MB90390 Series
Страница 2: ......
Страница 4: ......
Страница 17: ...xiii APPENDIX D List of Interrupt Vectors 690 INDEX 695 ...
Страница 18: ...xiv ...
Страница 132: ...104 CHAPTER 5 CLOCKS ...
Страница 152: ...124 CHAPTER 6 CLOCK MODULATOR ...
Страница 210: ...182 CHAPTER 11 TIME BASE TIMER ...
Страница 218: ...190 CHAPTER 12 WATCHDOG TIMER ...
Страница 264: ...236 CHAPTER 14 16 BIT RELOAD TIMER WITH EVENT COUNT FUNCTION ...
Страница 274: ...246 CHAPTER 15 WATCH TIMER ...
Страница 306: ...278 CHAPTER 17 DTP EXTERNAL INTERRUPTS ...
Страница 338: ...310 CHAPTER 18 8 10 BIT A D CONVERTER ...
Страница 364: ...336 CHAPTER 19 UART0 UART1 ...
Страница 398: ...370 CHAPTER 20 UART2 UART3 Figure 20 5 2 ORE Set Timing Receive data RDRF ORE ...
Страница 432: ...404 CHAPTER 20 UART2 UART3 ...
Страница 482: ...454 CHAPTER 22 SERIAL I O ...
Страница 560: ...532 CHAPTER 24 STEPPING MOTOR CONTROLLER ...
Страница 582: ...554 CHAPTER 27 ROM MIRRORING MODULE ...
Страница 632: ...604 CHAPTER 29 EXAMPLES OF SERIAL PROGRAMMING CONNECTION ...
Страница 722: ...694 APPENDIX ...
Страница 723: ...695 INDEX The index follows on the next page This is listed in alphabetic order ...
Страница 740: ......