h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 470
h8s-2138
Manufacturer Part Number
h8s-2138
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2138.pdf
(1061 pages)
- Current page: 470 of 1061
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Section 15 Serial Communication Interface (SCI, IrDA)
15.2.11 Keyboard Comparator Control Register (KBCOMP)
KBCOMP is an 8-bit readable/writable register that selects the functions of SCI2 and the A/D
converter.
KBCOMP is initialized to H'00 by a reset and in hardware standby mode.
Bit 7—IrDA Enable (IrE): Specifies normal SCI operation or IrDA operation for SCI2
input/output.
Bit 7
IrE
0
1
Bits 6 to 4—IrDA Clock Select 2 to 0 (IrCKS2 to IrCKS0): These bits specify the high pulse
width in IrTxD output pulse encoding when the IrDA function is enabled.
Bit 6
IrCKS2
0
1
Bits 3 to 0—Keyboard Comparator Control: See the description in section 19, A/D converter.
Rev. 4.00 Jun 06, 2006 page 416 of 1004
REJ09B0301-0400
Bit
Initial value
Read/Write
Description
The TxD2/IrTxD and RxD2/IrRxD pins function as TxD2 and RxD2
The TxD2/IrTxD and RxD2/IrRxD pins function as IrTxD and IrRxD
Bit 5
IrCKS1
0
1
0
1
R/W
IrE
7
0
Bit 4
IrCKS0
0
1
0
1
0
1
0
1
IrCKS2
R/W
6
0
IrCKS1
Description
B
/2
/4
/8
/16
/32
/64
/128
R/W
5
0
3/16 (3/16 of the bit rate)
IrCKS0
R/W
4
0
KBADE
R/W
3
0
KBCH2
R/W
2
0
KBCH1
R/W
1
0
(Initial value)
(Initial value)
KBCH0
R/W
0
0
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