HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 534
HD6417144
Manufacturer Part Number
HD6417144
Description
32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417144.pdf
(930 pages)
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14. I
14.3.7
SCRX enables or disables I
transmission.
Rev.4.00 Mar. 27, 2008 Page 490 of 882
REJ09B0108-0400
Bit
7, 6
5
4
3
2
2
C Bus Interface (IIC) Option
Bit Name
⎯
IICX
IICE
HNDS
⎯
Serial Control Register X (SCRX)
Initial Value
All 0
0
0
0
0
2
C bus interface interrupts and confirms the state of reception and
R
R/W
R/W
R/W
R
R/W
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
I
Along with bits CKS2 to CKS0 in the I
register (ICMR), this bit selects the transfer rate in the
master mode. For details on setting the transfer rate,
see table 14.3.
I
This bit controls access by the CPU to the I
interface registers (ICCR, ICSR, ICDR/SARX, and
ICMR/SAR) of the I
0: Disables CPU access to the registers of the I
1: Enables CPU access to the registers of the I
Hand-Shake Receive Select
This bit enables/disables continuous reception in
receive mode.
When the HNDS bit is cleared to 0, receive operation
is performed continuously after data has been received
successfully while ICDRF flag is 0.
When the HNDS bit is set to 1, SCL is fixed to the low
level thus disabling the next data to be transferred.
The bus line is released and next frame receive
operation is enabled by reading the receive data in
ICDR.
Reserved
This bit is always read as 0. The write value should
always be 0.
2
2
C Transfer Rate Select
C master Enable
interface.
interface.
2
C bus interface.
2
C bus mode
2
C bus
2
2
C bus
C bus
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