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R01UH0336EJ0102 Rev.1.02
Page 698 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 14 Timer Array Unit J (TAUJ)
14.14.2
Details of TAUJn Prescaler Registers
(1)
TAUJnTPS - TAUJn prescaler clock select register
This register specifies clocks CK0, CK1, CK2, and CK3_PRE for all channels
of the PCLK prescalers. CK3 is generated by dividing CK3_PRE by the factor
specified in TAUJnBRS.
Access
Readable/writable in 16-bit units.
Address
<TAUJn_base0> + 90
H
Initial value
FFFF
H
Any reset source triggers initialization.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
TAUJnPRS3[3:0]
TAUJnPRS2[3:0]
TAUJnPRS1[3:0]
TAUJnPRS0[3:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 14-47
Description of TAUJnTPS Register (1/3)
Bit Position
Bit Name
Function
15 to 12
TAUJnPRS3
[3:0]
Specifies a CK3_PRE clock.
The CK3_PRE clock is an input clock of the BRG unit which supplies prescaler
output CK3 to all channels.
TAUJnPRS3[3:0]
CK3_PRE clock
0000
B
PCLK/2
0
0001
B
PCLK/2
1
0010
B
PCLK/2
2
0011
B
PCLK/2
3
0100
B
PCLK/2
4
0101
B
PCLK/2
5
0110
B
PCLK/2
6
0111
B
PCLK/2
7
1000
B
PCLK/2
8
1001
B
PCLK/2
9
1010
B
PCLK/2
10
1011
B
PCLK/2
11
1100
B
PCLK/2
12
1101
B
PCLK/2
13
1110
B
PCLK/2
14
1111
B
PCLK/2
15
The above bits are rewritable only when all the counters using CK3 are stopped
(TAUJnTE.TAUJnTEm= 0).