diff options
| author | loos <loos@FreeBSD.org> | 2014-08-20 18:10:12 +0000 |
|---|---|---|
| committer | loos <loos@FreeBSD.org> | 2014-08-20 18:10:12 +0000 |
| commit | f091b317e3b5b83ed416bf74264a16b72bb53e6c (patch) | |
| tree | d15c86ea66f951910939a343529effe42b6c195b /share/man/man4/man4.arm | |
| parent | a23b573cf161a50b1f242246901aee4ea26396d9 (diff) | |
| download | FreeBSD-src-f091b317e3b5b83ed416bf74264a16b72bb53e6c.zip FreeBSD-src-f091b317e3b5b83ed416bf74264a16b72bb53e6c.tar.gz | |
MFC r266960:
Configure the analog input 7 which, on BBB, is connected to the 3V3B rail
through a voltage divisor (R163 and R164 on page 4 of BBB schematic).
Add a note about this on ti_adc(4) man page. The ti_adc(4) man page will
first appear on 10.1-RELEASE.
Suggested by: Sulev-Madis Silber (ketas)
Manual page reviewed by: brueffer (D127)
Diffstat (limited to 'share/man/man4/man4.arm')
| -rw-r--r-- | share/man/man4/man4.arm/ti_adc.4 | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/share/man/man4/man4.arm/ti_adc.4 b/share/man/man4/man4.arm/ti_adc.4 index b10760a..aa80016 100644 --- a/share/man/man4/man4.arm/ti_adc.4 +++ b/share/man/man4/man4.arm/ti_adc.4 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd March 21, 2014 +.Dd June 1, 2014 .Dt TI_ADC 4 .Os .Sh NAME @@ -78,8 +78,17 @@ dev.ti_adc.0.ain.6.enable: 1 dev.ti_adc.0.ain.6.open_delay: 0 dev.ti_adc.0.ain.6.samples_avg: 4 dev.ti_adc.0.ain.6.input: 2308 +dev.ti_adc.0.ain.7.enable: 1 +dev.ti_adc.0.ain.7.open_delay: 0 +dev.ti_adc.0.ain.7.samples_avg: 0 +dev.ti_adc.0.ain.7.input: 3812 .Ed .Pp +On Beaglebone-black the analog input 7 is connected to the 3V3B rail through +a voltage divisor (2:1). +The 3V3B voltage rail comes from the TL5209 LDO regulator which is limited +to 500mA maximum. +.Pp Global settings: .Bl -tag -width ".Va dev.ti_adc.0.clockdiv" .It Va dev.ti_adc.0.clockdiv @@ -112,8 +121,8 @@ It is made of a 12 bit value (0 ~ 4095). The .Nm driver first appeared in -.Fx 11.0 . +.Fx 10.1 . .Sh AUTHORS .An -nosplit The driver and this manual page was written by -.An Luiz Otavio O Souza Aq loos@FreeBSD.org +.An Luiz Otavio O Souza Aq loos@FreeBSD.org . |
