EP9302-CQZ Cirrus Logic Inc, EP9302-CQZ Datasheet - Page 330
![IC ARM9 SOC PROCESSOR 208LQFP](/photos/12/23/122385/mfg_ep9302_parts_sml.jpg)
EP9302-CQZ
Manufacturer Part Number
EP9302-CQZ
Description
IC ARM9 SOC PROCESSOR 208LQFP
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EP9307-CRZ.pdf
(824 pages)
2.EP9302-IQZ.pdf
(42 pages)
3.EP9302-IQZ.pdf
(4 pages)
4.EP9302-IQZ.pdf
(40 pages)
Specifications of EP9302-CQZ
Program Memory Type
ROMless
Package / Case
208-LQFP
Core Processor
ARM9
Core Size
16/32-Bit
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
19
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
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
Data Ram Size
16 bit
Interface Type
USB, USART, SPI
Maximum Clock Frequency
200 MHz
Number Of Programmable I/os
37
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB9302A-Z
Controller Family/series
(ARM9)
No. Of I/o's
19
Ram Memory Size
16MB
Cpu Speed
200MHz
No. Of Timers
4
Embedded Interface Type
AC97, I2S, SPI, UART, USB
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1132 - KIT DEVELOPMENT EP9302 ARM9
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
598-1137
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9302-CQZ
Manufacturer:
Cirrus
Quantity:
3 295
Company:
Part Number:
EP9302-CQZ
Manufacturer:
ALTERA
Quantity:
672
Part Number:
EP9302-CQZ
Manufacturer:
CYPRESS/赛普拉斯
Quantity:
20 000
- EP9307-CRZ PDF datasheet
- EP9302-IQZ PDF datasheet #2
- EP9302-IQZ PDF datasheet #3
- EP9302-IQZ PDF datasheet #4
- Current page: 330 of 824
- Download datasheet (13Mb)
9
Transmit Descriptor Format - First Word
9-28
1/10/100 Mbps Ethernet LAN Controller
EP93xx User’s Guide
9.2.3.9 Transmit Descriptor Format
31
15
register sizes are in bits,
and shown in parentheses ().
Definition:
EOF = 0
EOF = 0
EOF = 1
In the example shown in
MAC starts the frame by acquiring the medium and transmitting the preamble. Then, the
fragments 0, 1, 2 are transmitted in order for a total of 446 bytes (39 + 388 + 19). Since the
CRC bit in the first frame fragment is clear, the HW appends the 4 byte CRC. Thus, 4 more
bytes are added to the frame for the CRC making the total frame length 450 bytes. Finally, the
MAC sends the end-of-frame.
The CMD field is 4 bits. Only the AF bit is valid. The other fields are reserved.
30
14
Example: Fragments 0, 1, 2 make-up one complete frame.
EOF
EOF
EOF
29
13
Index 0 (15)
Index 0 (15)
Index 0 (15)
Buffer
Buffer
Buffer
28
12
T x B u fA d r 0 ( 3 2 )
T x D B u f A d r 1 ( 3 2 )
T x D B u f A d r 2 ( 3 2 )
Transmit Descriptor, first word. Contains the base address of the data buffer.
Figure 9-14. Multiple Fragments Per Transmit Frame
27
11
CMD
CMD
CMD
(4)
(4)
(4)
Figure
Length 0 (12)
Length 0 (12)
Length 0 (12)
26
10
Buffer
Buffer
Buffer
Copyright 2007 Cirrus Logic
9-14, one frame is transmitted from three fragments. The
25
9
24
8
TBA
TBA
23
7
22
6
21
5
Data Fragment 0
Data Fragment 1
Data Fragment 2
20
4
19
3
18
2
Fragment 0
Fragment 1
Fragment 2
388 bytes
89 bytes
19 bytes
Length
Length
Length
17
1
DS785UM1
16
0
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