HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 445

• Manufacturer Part Number: HD6432160
• Description: Hitachi 16-Bit Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Bit Bit Name
5
4
3
MST
TRS
ACKE
Initial Value R/W
0
0
0
R/W
R/W
Description
[MST clearing conditions]
1. When 0 is written by software
2. When lost in bus contention in I
[MST setting conditions]
1. When 1 is written by software (for MST clearing
2. When 1 is written in MST after reading MST = 0 (for
[TRS clearing conditions]
1. When 0 is written by software (except for TRS setting
2. When 0 is written in TRS after reading TRS = 1 (for
3 When lost in bus contention in I
4. When the SW bit in DDCSWR is changed from 1 to 0
[TRS setting conditions]
1. When 1 is written by software (except for TRS clearing
2. When 1 is written in TRS after reading TRS = 0 (for
3. When 1 is received as the R/: bit after the first frame
Acknowledge Bit Decision and Selection
0: The value of the acknowledge bit is ignored, and
1: If the received acknowledge bit is 1, continuous transfer
Depending on the receiving device, the acknowledge bit
may be significant, in indicating completion of processing of
the received data, for instance, or may be fixed at 1 and
have no significance.
mode
condition 1)
MST clearing condition 2)
condition 3)
TRS setting condition 3)
mode
conditions 3 and 4)
TRS clearing conditions 3 and 4)
address matching in I
continuous transfer is performed. The value of the
received acknowledge bit is not indicated by the ACKB
bit in ICSR, which is always 0.
is halted.
2
C bus format slave mode
Rev. 2.0, 08/02, page 405 of 788
2
2
C bus format master
C bus format master