Datasheet

MAX5590–MAX5595
Buffered, Fast-Settling, Octal, 12/10/8-Bit,
Voltage-Output DACs
______________________________________________________________________________________ 21
CONTROL BITS DATA BITS
DATA
C3 C2 C1 C0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
FUNCTION
UPIO CONFIGURATION BITS
DIN 10110110U P S L2 U P S L1 U P 3U P 2U P 1U P 0X X
Wr i te U P IO confi g ur ati on
b i ts. S ee Tab l es 19 and 22.
DIN 1 0 1 1 0 1 1 1 X X X X X X X X
DOUTRB X X X X X X X X U P 3- 2U P 2- 2U P 1- 2U P 0- 2U P 3- 1U P 2- 1U P 1- 1U P 0- 1
Read - b ack U P IO confi g ur ati on b i ts functi on.
SETTLING-TIME-MODE BITS
DIN 10111000S P D H S P D GS P D FS P D E S P D D S P D C S P D BS P D A
Wr i te settl i ng - ti m e b i ts for
D AC A–D AC H ( 0 = S LOW
[ d efaul t, 6µs] , 1 = FAS T [ 3µs] ) .
DIN 1 0 1 1 1 0 0 1 X X X X X X X X
DOUTRB X X X X X X X X S P D H S P D GS P D FS P D E S P D D S P D C S P D BS P D A
Read - b ack D AC settl i ng - ti m e b i ts.
UPIO_ AS GPI (GENERAL-PURPOSE INPUT)
DIN 1011101XXXXXXXXX
DOUTRB X X X XXXXXXXRTP2 LF2 LR2 RTP1 LF1 LR1
Read U P IO _ i np uts ( val i d
onl y w hen U P IO1 or U P IO2
i s confi g ur ed as a g ener al -
p ur p ose i np ut.) S ee the GP I, GP OL, GP OH secti on.
CPOL AND CPHA CONTROL BITS
DIN 1 1 0 0 0 0 0 0 X X X X X X C P O LC P H A
Wr i te C P O L, C P H A contr ol b i ts. S ee Tab l e 15.
DIN 1 1 0 0 0 0 0 1 X X X X X X X X
DOUTRB X X X X X X X X X X X X X X C P O LC P H A
Read C P OL, C P H A contr ol
b i ts.
Table 2b. Advanced-Feature Programming Commands (continued) X = Don’t care.