Cirrus-logic EP7312 Manuel d'utilisateur

Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) MAR ‘11DS508F2http://www.cirrus.comHigh-performance,Low-power, System-on-chip with SDRAM &

10 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipDC-to-DC Converter Interface (PWM)•

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 11EP7312High-Performance, Low-Power System on ChipPin MultiplexingTable 18 shows the p

12 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipSystem DesignAs shown in system bloc

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 13EP7312High-Performance, Low-Power System on ChipELECTRICAL SPECIFICATIONSAbsolute Ma

14 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipNote: 1) Total power consumption = I

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 15EP7312High-Performance, Low-Power System on ChipTimingsTiming Diagram ConventionsThi

16 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipSDRAM InterfaceFigure 3 through Figu

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 17EP7312High-Performance, Low-Power System on ChipSDRAM Load Mode Register CycleNote:

18 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipSDRAM Burst Read CycleNote: 1. Timin

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 19EP7312High-Performance, Low-Power System on ChipSDRAM Burst Write CycleNote: 1. Timi

2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipFEATURES (cont) 48 KBytes of On-chip

20 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipSDRAM Refresh CycleNote: 1. Timings

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 21EP7312High-Performance, Low-Power System on ChipStatic MemoryFigure 7 through Figure

22 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipStatic Memory Single Read CycleNote:

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 23EP7312High-Performance, Low-Power System on ChipStatic Memory Single Write CycleNote

24 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipStatic Memory Burst Read CycleNote:

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 25EP7312High-Performance, Low-Power System on ChipStatic Memory Burst Write CycleNote:

26 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipSSI1 InterfaceParameter Symbol Min M

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 27EP7312High-Performance, Low-Power System on ChipSSI2 InterfaceParameter Symbol Min M

28 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipLCD InterfaceParameter Symbol Min Ma

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 29EP7312High-Performance, Low-Power System on ChipJTAG InterfaceParameter Symbol Min M

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 3EP7312High-Performance, Low-Power System on ChipTable of ContentsFEATURES ...

30 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipPackages208-Pin LQFP Package Charact

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 31EP7312High-Performance, Low-Power System on Chip208-Pin LQFP Pin DiagramNote: 1. N/C

32 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on Chip208-Pin LQFP Numeric Pin ListingTabl

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 33EP7312High-Performance, Low-Power System on Chip38 DSR I UART 1 data set ready input

34 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on Chip79 SMPCLK 1 Low O SSI1 ADC sample cl

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 35EP7312High-Performance, Low-Power System on Chip118 D[20] 1 Low I/O Data I/O119 A[19

36 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on Chip161 WAKEUP Schmitt I System wake up

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 37EP7312High-Performance, Low-Power System on Chip*“With p/u” means with internal pull

38 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on Chip256-Ball PBGA Package Characteristic

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 39EP7312High-Performance, Low-Power System on Chip256-Ball PBGA Pinout (Top View)1 234

4 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipSSI2 Interface ...

40 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on Chip256-Ball PBGA Ball ListingThe list i

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 41EP7312High-Performance, Low-Power System on ChipC14 VSSIO Pad ground I/O groundC15 n

42 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipF13 nBATCHG I Battery changed sense

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 43EP7312High-Performance, Low-Power System on ChipJ7 CTS I UART 1 clear to send inp

44 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipM6 VDDIO Pad power Digital I/O powe

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 45EP7312High-Performance, Low-Power System on Chip*“With p/u” means with internal pull

46 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on Chip9F4 TXD2 O 1410 E1 RXD2 I 1613 E2 PB

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 47EP7312High-Performance, Low-Power System on Chip61 R4 PD[1] I/O 10762 L7 PD[0]/LEDFL

48 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on Chip118 K11 D[20] I/O 211119 L16 A[19]/D

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 49EP7312High-Performance, Low-Power System on Chip1) See EP7312 Users’ Manual for pin

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 5EP7312High-Performance, Low-Power System on ChipList of FiguresFigure 1. A Fully-Conf

50 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipCONVENTIONSThis section presents acr

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 51EP7312High-Performance, Low-Power System on ChipGeneral ConventionsHexadecimal numbe

52 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipOrdering Information Environmental,

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 53EP7312High-Performance, Low-Power System on ChipRevision History Revision Date Chang

54 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipContacting Cirrus Logic SupportFor a

6 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipDescription of the EP7312’s Component

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 7EP7312High-Performance, Low-Power System on ChipThe second is the programmable 16- or

8 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) DS508F2EP7312High-Performance, Low-Power System on ChipCODEC InterfaceThe EP7312 includes an

DS508F2 Copyright Cirrus Logic, Inc. 2011(All Rights Reserved) 9EP7312High-Performance, Low-Power System on Chipstrobes for each keyboard column sign