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R01UH0336EJ0102 Rev.1.02
Page 1344 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 23 A/D Converter
23.4.8
Channel Sample and Hold Function Setting Register
(1)
ADCAnSHCTL – A/D Converter Channel Sample and Hold Control
Register
This register enables or disables the channel sample and hold function.
This register is writable when ADCAnCTL0.ADCAnCE = 0.
However, it is writable for diagnosis of the channel sample and hold circuit
even if ADCAnCTL0.ADCAnCE = 1.
Access
This register can be read/written in 8-bit units.
Address
<ADCAn_base0> + 118
H
Initial value
00
H
This register is initialized by any reset.
7
6
5
4
3
2
1
0
0
ADCAnCSEL[6:1]
0
R
R/W
R/W
R/W
R/W
R/W
R/W
R
Table 23-35
ADCAnSHCTL Register Contents
Bit Position
Bit Name
Function
6 to 1
ADCAn
CSEL[6:1]
Enables or disables the channel’s sample and hold function.
0: The channel’s sample and hold function is disabled.
1: The channel’s sample and hold function is enabled.
If diagnosis of the channel’s sample and hold circuit is to be executed,
changing the ADCAnSHCTL.ADCAnCSELx is possible even while
ADCAnCTL0.ADCAnCE = 1.