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R01UH0336EJ0102 Rev.1.02
Page 115 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 2 Port Functions
(4)
Digital Noise Filter Sampling Clock Control Register
This register selects the digital noise filter sampling clock.
Access
Readable and writable in 16-bit units.
Address
Refer to Table 2-53, The List of Registers for the Digital Noise Canceller.
Initial value
0000
H
Caution
Only set this register while the operation of the corresponding DNF is not
enabled. Operation cannot be guaranteed if these settings are made while the
operation of a corresponding DNF is enabled.
15
14
13
12
11
10
9
8
0
0
DNFSCKSL6[1:0]
0
0
DNFSCKSL4[1:0]
R
R
R/W
R/W
R
R
R/W
R/W
7
6
5
4
3
2
1
0
0
0
0
DNFSCKS
L20
0
DNFSCKS
L10
0
DNFSCKS
L00
R
R
R
R/W
R
R/W
R
R/W
Table 2-58
DNFSCTL Register Contents
Bit Position
Bit Name
Function
13, 12
DNFSCKSL
61, 60
Selects the sampling clock of the TAUJ0 group.
00: PCLK
01: PCLK/2
10: TAUJ0 ch0 CKEN signal
11: Setting prohibited
9, 8
DNFSCKSL
41, 40
Selects the sampling clock of the TAUB0 group.
00: PCLK
01: PCLK/2
10: TAUB0 ch0 CKEN signal
11: Setting prohibited
4
DNFSCKSL
20
Selects the sampling clock of the CSI group.
0: PCLK
1: PCLK/2
2
DNFSCKSL
10
Selects the sampling clock of the TSG2 group.
0: PCLK
1: PCLK/2
0
DNFSCKSL
00
Selects the sampling clock of the INTP group.
0: PCLK
1: PCLK/2