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R01UH0336EJ0102 Rev.1.02
Page 1230 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 22 Synchronous/Asynchronous Serial Interface H (UARTH)
(10)
URTHnOPT2 – UARTHn Option Register 2
This register specifies the optional features for use in serial transfer by the
UARTHn interface.
Access
This register can be read/written in 16-bit units.
Address
<URTHn_base1> + 08
H
Initial value
0000
H
This register is initialized by a reset from any source.
15
14
13
12
11
10
9
8
URTHnIDCD[7:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7
6
5
4
3
2
1
0
URTHnMID[7:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 22-17
URTHnOPT2 Register Contents
Bit Position
Bit Name
Function
15 to 8
URTHnIDCD
[7:0]
Sets the ID value for comparison at the time the extension bit (9th bit) is
transferred.
•
For details on extension bit detection, refer to Section 22.6.5, Extension bit
Detection/ID Compare-Match Detection.
7 to 0
URTHnMID
[7:0]
Specifies which bits of the ID values are compared.
0: The corresponding bit is compared at the time the extension bit (9th bit) is
transferred.
1: The corresponding bit is not compared at the time the extension bit (9th bit)
is transferred.
•
For details on ID match detection, refer to Section 22.6.5, Extension bit
Detection/ID Compare-Match Detection.