M16C28 Datasheet, PDF (275/423 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/28 Group (M16C/28, M16C/28B)
16. MULTI-MASTER I²C bus INTERFACE
I²C0 Status Register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
S10
Address
02E816
After Reset
0001000X2
Bit Symbol
Bit Name
LRB
Last Receive Bit
Function
0: Last bit = 0
1: Last bit = 1
ADR0 General Call Detecting Flag
0: No general call detected
1: General call detected
AAS
Slave Address Comparison Flag 0: No address matched
1: Address matched
AL
Arbitration lost detection flag
0: Not detected
1: Detected
PIN
I²C Bus Interface Interrupt
Request Bit
0: Request interrupt
1: Request no interrupt
BB
Bus Busy Flag
0: Bus free
1: Bus busy
TRX
Communication Mode Select
Bits 0
0: Receive mode
1: Transmit mode
MST
Communication Mode Select 0: Slave mode
Bit 1
1: Master mode
RW
RO⁽¹⁾
RO⁽¹⁾
RO⁽¹⁾
RO⁽²⁾
RO⁽²⁾
RO⁽¹⁾
RW⁽³⁾
RW⁽³⁾
NOTES:
1. This bit is read only if it is used for the status check.
To write to this bit, refer to 16.9 START Condition Generation Method and 16.11 STOP Condition Generation
Method.
2. Read only. When write, set to “0”.
3. To write to these bits, refer to 16.9 START Condition Generation Method and 16.11 STOP Condition
Generation Method.
Figure 16.5 S10 Register
Rev. 2.00 Jan. 31, 2007 ^{page 255} of 385
REJ09B0047-0200