EP9312-CBZ Cirrus Logic Inc, EP9312-CBZ Datasheet - Page 8
EP9312-CBZ
Manufacturer Part Number
EP9312-CBZ
Description
IC ARM9 SOC UNIVERSAL 352PBGA
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9312-CBZ
Core Size
16/32-Bit
Core Processor
ARM9
Speed
200MHz
Connectivity
EBI/EMI, EIDE, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LCD, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 3.6 V
Data Converters
A/D 8x12b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
352-BGA
Controller Family/series
(ARM9)
No. Of I/o's
16
Ram Memory Size
16MB
Cpu Speed
200MHz
No. Of Timers
4
No. Of Pwm Channels
2
Digital Ic Case Style
BGA
Embedded Interface Type
AC97, I2S, SPI, UART, USB
Rohs Compliant
Yes
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
Other names
598-1258
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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EP93xx User’s Guide
Chapter 10. DMA Controller................................................................................ 10-1
Chapter 11. Universal Serial Bus Host Controller ............................................ 11-1
viii
10.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-1
10.2 Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-20
11.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-1
11.2 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-1
10.1.1 DMA Features List.......................................................................................................10-1
10.1.2 Managing Data Transfers Using a DMA Channel .......................................................10-2
10.1.3 DMA Operations ..........................................................................................................10-3
10.1.4 Internal M2P or P2M AHB Master Interface Functional Description............................10-4
10.1.5 M2M AHB Master Interface Functional Description.....................................................10-5
10.1.6 AHB Slave Interface Limitations ..................................................................................10-6
10.1.7 Interrupt Interface ........................................................................................................10-6
10.1.8 Internal M2P/P2M Data Unpacker/Packer Functional Description ..............................10-6
10.1.9 Internal M2P/P2M DMA Functional Description ..........................................................10-7
10.1.10 M2M DMA Functional Description ...........................................................................10-10
10.1.11 DMA Data Transfer Size Determination ..................................................................10-17
10.1.12 Buffer Descriptors....................................................................................................10-18
10.1.13 Bus Arbitration .........................................................................................................10-19
10.2.1 DMA Controller Memory Map ....................................................................................10-20
10.2.2 Internal M2P/P2M Channel Register Map .................................................................10-21
11.1.1 Features ......................................................................................................................11-1
11.2.1 Data Transfer Types....................................................................................................11-2
11.2.2 Host Controller Interface..............................................................................................11-3
11.2.3 Host Controller Driver Responsibilities ........................................................................11-6
Handshaking Signals ................................................................................................10-6
10.1.3.1 Memory-to-Memory Channels ...................................................................10-3
10.1.3.2 Memory-to-Peripheral Channels ................................................................10-4
10.1.5.1 Software Trigger Mode ..............................................................................10-5
10.1.5.2 Hardware Trigger Mode for Internal Peripherals (SSP and IDE) and
10.1.5.3 Hardware Trigger Mode for External Peripherals with
10.1.9.1 Internal M2P/P2M DMA Buffer Control Finite State Machine ....................10-7
10.1.9.2 Data Transfer Initiation and Termination ...................................................10-9
10.1.10.1 M2M DMA Control Finite State Machine ...............................................10-10
10.1.10.2 M2M Buffer Control Finite State Machine..............................................10-12
10.1.10.3 Data Transfer Initiation ..........................................................................10-13
10.1.10.4 Data Transfer Termination.....................................................................10-15
10.1.10.5 Memory Block Transfer..........................................................................10-16
10.1.10.6 Bandwidth Control .................................................................................10-16
10.1.10.7 External DMA Request (DREQ) Mode ..................................................10-16
10.1.11.1 Software Initiated M2M and M2P/P2M Transfers ..................................10-17
10.1.11.2 Hardware-Initiated M2M Transfers ........................................................10-18
10.1.12.1 Internal M2P/P2M Channel Rx Buffer Descriptors ................................10-19
10.1.12.2 Internal M2P/P2M Channel Tx Buffer Descriptors.................................10-19
10.1.12.3 M2M Channel Buffer Descriptors...........................................................10-19
11.2.2.1 Communication Channels..........................................................................11-3
11.2.2.2 Data Structures..........................................................................................11-4
11.2.3.1 Host Controller Management.....................................................................11-6
11.2.3.2 Bandwidth Allocation .................................................................................11-6
11.2.3.3 List Management .......................................................................................11-7
11.2.3.4 Root Hub....................................................................................................11-7
for External Peripherals without Handshaking Signals ...........................................10-6
©
Copyright 2007 Cirrus Logic, Inc.
DS785UM1
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