pca8536 PCF8536 i 2 c/spi lcd and pwm led controller for industrial and automotive applications key features ` ` single-chip ` 320` segment` lcd` controller` and` driver ` ` 6-channel ` pwm` generator` for` backlight` led` illumination` ` ` aec ` q100` compliant` for` automotive` applications` (pca8536) ` ` selectable ` display` bias` confguration ` ` wide ` digital` supply` voltage` range:` 1.8` to` 5.5`v ` ` wide ` lcd` supply` voltage` range:` 2.5` to` 9.0`v ` ` choice ` of` serial` interface:`i 2 c` (pcx8536at)` or` spi` (pcx8536bt) ` ` ` low ` power` consumption ` ` operating ` temp` up` to` 85` c` (PCF8536)` or` 95` c` (pca8536) ` ` silicon ` gate` cmos` process applications ` ` industrial ` version` (PCF8536) -` white` goods -` consumer` products ` ` automotive ` version` (pca8536) -` car` radio -` climate` control -` dashboard` display this ` advanced,` highly` integrated` lcd` controller` drives` up` to` eight` backplanes,` up` to` 44` segments,` and ` up` to` 320` elements,` and` provides` an` on-chip,` 6-channel` pwm` controller` for` led` illumination.` compatible ` with` most` mcus,` it` simplifes` design,` reduces` power,` and` minimizes` communication` overhead. the ` nxp` pcx8536` is`a` peripheral` device,` equipped` with`` a` low-power` serial` interface` (i 2 c- ` or` spi-bus),` that` controls` and` drives ` almost` any` lcd` display` with` multiplex` rates` up` to` 1:8.` the ` device` is` available` in` two` types,` one` for` industrial` (PCF8536) ` and` one` for` automotive` applications` (pca8536).`` the ` automotive` type` supports` an` extended` operating` temperature ` range` up` to` 95` c,` and` is` aec` q100` compliant.` both ` types` are` also` compatible` with` most` microcontrollers` and` communicate ` via` standard` serial` interfaces.` the` at` versions` use ` the` two-line` bidirectional`i 2 c-bus ` (400` khz),` while` the` bt` versions ` use` the` three-line` unidirectional` spi-bus` (5` mhz).` communication ` overheads` are` minimized` by` using`a` 320-bit` display ` ram` with` auto-incremented` addressing. an ` on-chip` pwm` controller` for` led` backlight` illumination`` is ` included.` the` pwm` has` six` outputs` with` 7-bit` resolution`` (128 ` steps)` ideal` to` drive` external` transistors.` up` to` six` independent ` channels` can` be` confgured.` the` 128` levels`` nxp lcd driver pca8536 and PCF8536
www.nxp.com ? 2011 nxp semiconductors n.v. all rights reserved. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. no liability will be accepted by the publisher for any consequence of its use. publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. date of release: november 2011 document order number: 9397 750 17189 printed in the netherlands per ` channel` allow` to` control`2` rgb` backlights` with`a` spectrum` of ` more` than`2` million` colors.` each` channel` can` also` be` used` for ` static` led` drive` or` as` logic` output. the ` pcx8536` generates` the` drive` signals` for` any` multiplexed` lcd ` containing` up` to` eight` backplanes,` up` to` 44` segments,` and ` up` to` 320` elements.` 4,` 6,` or`8` backplanes` can` be` driven.` the ` 320` segments` can` include` up` to` 40` seven-segment` digits,` up ` to` 20` fourteen-segment` alphanumeric` characters,` or` any` graphic ` of` up` to` 320` elements.` the` frame` frequency` can` be ` programmed` in` the` range` of` 60` to` 300` hz` in` steps` of` 10` hz. ` the` reference` oscillator` is` factory` calibrated.` the` device` compensates ` the` dc` offset` voltage` across` the` lcd` in` line` inversion ` mode,` or` in` frame` inversion` mode` (selectable). the ` lcd ` supply ` range ` from ` 2.5 ` v, ` for ` use ` with ` low-threshold ` lcds, ` up` to` 9.0`v` for` high-threshold` tn` lcds.` the` digital` power ` supply` can` be` from` 1.8` to` 5.5` v,` and` the` logic` supply` can ` be` separated` from` the` lcd` supply.` also,` to` avoid` ficker` of ` the` display,` the` pwm` and` lcd` frame` frequencies` can` be` set ` independently.` backplane` swapping` eases` pcb` design` by ` making` it` possible` to` move` the` backplane` and` segment` outputs ` from` one` side` to` the` other.` pcx8536at (i 2 c version) block diagram integrated pwm controller for led backlighting and button lighting ordering information pcx8536bt (spi version) block diagram pw m c o n tr o l l er ? f o r l e d b a ckl i g h t i n g ? f o r l e d b u t t o n l i g h t i n g v d d 3 p w m 1 p w m 2 p w m 6 p c x 8 5 3 6 m c u v d d 1 v d d 2 ea sy co l o r m i xi n g p w m 3 l a r g e r c u r r e n t / h i g h e r v o l t a g e ea c h o f t h e 6 pw m c h a n n e l s c a n b e c o n t ro l l e d i n d e p e n d e n t l y n x p b c 8 4 7 / b c 8 5 7 type number aec q100 compliant interface type package type version pca8536at/q900/1 yes i 2 c-bus tssop56 sot364-1 pca8536bt/q900/1 yes spi-bus tssop56 sot364-1 PCF8536at/1 - i 2 c-bus tssop56 sot364-1 PCF8536bt/1 - spi-bus tssop56 sot364-1
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