HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 454
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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16.3.6
ICSR consists of status flags. Also see tables 16.4 and 16.5.
Rev. 2.0, 08/02, page 414 of 788
Bit Bit Name
7
6
5
ESTP
STOP
IRTR
I
2
C Bus Status Register (ICSR)
Initial Value R/W
0
0
0
R/(W)* Error Stop Condition Detection Flag
R/(W)* Normal Stop Condition Detection Flag
R/(W)* I
Description
This bit is valid in I
[Setting condition]
When a stop condition is detected during frame transfer.
[Clearing conditions]
This bit is valid in I
[Setting condition]
When a stop condition is detected after frame transfer
completion.
[Clearing conditions]
Flag
Indicates that the I
request to the CPU, and the source is completion of
reception/transmission of one frame in continuous
transmission/reception for which DTC activation is possible.
When the IRTR flag is set to 1, the IRIC flag is also set to 1
at the same time.
[Setting conditions]
I
Master mode or clocked synchronous serial format mode
with I
[Clearing conditions]
2
2
C Bus Interface Continuous Transfer Interrupt Request
C bus format slave mode:
When 0 is written in ESTP after reading ESTP = 1
When the IRIC flag in ICCR is cleared to 0
When 0 is written in STOP after reading STOP = 1
When the IRIC flag is cleared to 0
When the ICDRE or ICDRF flag in ICDR is set to 1
when AASX = 1
When the ICDRE or ICDRF flag is set to 1
When 0 is written after reading IRTR = 1
When the IRIC flag is cleared to 0 while ICE is 1
2
C bus format, or formatless mode:
2
2
2
C bus format slave mode.
C bus format slave mode.
C bus interface has issued an interrupt
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