EP9301-CQZ Cirrus Logic Inc, EP9301-CQZ Datasheet - Page 789

• Manufacturer Part Number: EP9301-CQZ
• Description: IC ARM9 SOC PROCESSOR 208LQFP
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

Specifications of EP9301-CQZ

• Core Size: 16/32-Bit
• Peripherals: AC'97, DMA, I&sup2:S, LED, MaverickKey, POR, PWM, WDT
• Core Processor: ARM9
• Speed: 166MHz
• Connectivity: EBI/EMI, Ethernet, I²C, IrDA, SPI, UART/USART, USB
• Number Of I /o: 19
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 3.6 V
• Data Converters: A/D 5x12b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 208-TQFP, 208-VQFP
• Controller Family/series: (ARM9)
• No. Of I/o's: 19
• Ram Memory Size: 16MB
• Cpu Speed: 166MHz
• No. Of Timers: 4
• Digital Ic Case Style: TQFP
• Embedded Interface Type: SPI
• 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: 598-1136

IDEUDMARdBufSts
DS785UM1
31
15
Bit Descriptions:
Address:
Default:
Definition:
Bit Descriptions:
30
14
RSVD
29
13
28
12
RSVD:
HPTR:
TPTR:
EMPTY:
HOM:
NFULL:
FULL:
CRC:
0x800A_0034 - Read Only
0000_0100
Status register for UDMA read buffer.
RSVD:
HPTR:
TPTR:
EMPTY:
HOM:
NFULL:
FULL:
CRC:
FULL
27
11
NFULL
26
10
Copyright 2007 Cirrus Logic
HOM
25
9
Reserved. Unknown during read, ignored during writes.
Head pointer in the write buffer.
Tail pointer in the write buffer.
Write buffer empty status.
Half or more entries in write buffer filled status.
Write buffer near full status.
Write buffer full status.
CRC result for data-out operation. Reset to 0x4ABA after
finishing UDMA operation.
Reserved. Unknown during read, ignored during writes.
Head pointer in the read buffer.
Tail pointer in the read buffer.
Read buffer empty status.
Half or more entries in read buffer filled status.
Read buffer near full status.
Read buffer full status.
CRC result for data-in operation. Reset back to 0x4ABA
after finishing UDMA operation.
EMPTY
24
8
CRC
23
7
22
6
TPTR
21
5
20
4
19
3
EP93xx User’s Guide
18
2
HPTR
IDE Interface
17
1
27-19
16
0
27