EP9312-CB Cirrus Logic Inc, EP9312-CB Datasheet - Page 780

• Manufacturer Part Number: EP9312-CB
• Description: System-on-Chip Processor
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

Specifications of EP9312-CB

• Peak Reflow Compatible (260 C): No
• A/d Converter: 12 Bits
• Leaded Process Compatible: No
• No. Of I/o Pins: 65
• Package / Case: 352-BGA
• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, EIDE, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
• Peripherals: AC'97, DMA, I&sup2: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
• Processor Series: EP93xx
• Core: ARM920T
• Data Bus Width: 32 bit
• 3rd Party Development Tools: MDK-ARM, RL-ARM, ULINK2
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: No
• Other names: 598-1257

27
Register Descriptions
IDECtrl
27-10
IDE Interface
EP93xx User’s Guide
27.3 Registers
31
15
Address:
Default:
Definition:
For both PIO and MDMA modes, the actual throughput is limited by the ARM Core's ability to
service requests, not raw bandwidth. For UDMA, the throughput is dependent on the
bandwidth available to the DMA controller.
30
14
RSVD
0x800A_000C
0x800A_001C
0x800A_002C
0x800A_0000
0x800A_0004
0x800A_0008
0x800A_0010
0x800A_0014
0x800A_0018
0x800A_0020
0x800A_0024
0x800A_0028
0x800A_0030
0x800A_0034
29
13
Address
28
12
0x800A_0000 - Read/Write
0x0000_0063
IDE Control Register. This register is used for IDE PIO control operations.
IORDY, INTRQ, DMARQ, and DASPn reflect external pins. Their reset state
can vary depending on system implementation and system configuration.
27
11
IORDY
26
10
Copyright 2007 Cirrus Logic
Table 27-6. IDE Interface Register Map
IDEUDMAWrBufSts
IDEUDMARdBufSts
IDEMDMADataOut
IDEUDMADataOut
INTRQ
IDEMDMADataIn
IDEUDMADataIn
IDEUDMADebug
25
IDEMDMAOp
9
IDEUDMAOp
IDEUDMASts
IDEDataOut
IDEDataIn
IDECtrl
IDECfg
Name
DMARQ
24
8
RSVD
DASPn
23
7
DIOWn
22
6
DIORn
IDE Control Register
IDE Configuration Register
IDE MDMA Operation Register
IDE UDMA Operation Register
IDE PIO Data Output Register
IDE PIO Data Input Register
IDE MDMA Data Output Register
IDE MDMA Data Input Register
IDE UDMA Data Output Register
IDE UDMA Data Input Register
IDE UDMA Status Register
IDE UDMA Debug Register
IDE UDMA Write Buffer Status Register
IDE UDMA Read Buffer Status Register
21
5
20
4
Description
DA
19
3
18
2
CS1n
17
1
DS785UM1
CS0n
16
0