h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 490
h8s-2161b
Manufacturer Part Number
h8s-2161b
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2161B.pdf
(845 pages)
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Section 16 I
16.3.7
DDCSWR controls the IIC_0 automatic format switching function and IIC internal latch
clearance.
Bit Bit Name Initial Value R/W
7
6
5
4
Rev. 3.00 Mar 21, 2006 page 436 of 788
REJ09B0300-0300
SWE
SW
IE
IF
DDC Switch Register (DDCSWR)
2
C Bus Interface (IIC) (Optional)
0
0
0
0
R/W
R/W
R/W
R/(W) *
1
Description
DDC Mode Switch Enable
0: Disables automatic switching of IIC channel 0 from
1: Enables automatic switching of IIC channel 0 from
DDC Mode Switch
0: Uses IIC channel 0 with the I
1: Uses IIC channel 0 in formatless mode
[Setting condition]
When 1 is written in SW after reading SW = 0
[Clearing conditions]
DDC Mode Switch Interrupt Enable Bit
0: Disables interrupts when automatic format switching is
1: Enables interrupts when automatic format switching is
DDC Mode Switch Interrupt Flag
Indicates an interrupt request to the CPU is generated
when automatic format switching is executed for IIC_0.
[Setting condition]
When a falling edge is detected on the SCL pin when
SWE = 1
[Clearing condition]
When 0 is written in IF after reading IF = 1
formatless mode to I
formatless mode to I
executed
executed
When 0 is written by software
When a falling edge is detected on the SCL pin when
SWE = 1
2
2
C bus format
C bus format
2
C bus format
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