EP9301-IQZ Cirrus Logic Inc, EP9301-IQZ Datasheet - Page 317
![32-Bit Microcontroller IC](/photos/12/23/122383/mfg_ep9301_parts_sml.jpg)
EP9301-IQZ
Manufacturer Part Number
EP9301-IQZ
Description
32-Bit Microcontroller IC
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9301-IQZ
Controller Family/series
(ARM9)
Core Size
32 Bit
A/d Converter
12 Bits
Supply Voltage
3.3V
No. Of I/o Pins
24
Mounting Type
Surface Mount
Operating Temperature Min
-40°C
Package / Case
208-LQFP
Core Processor
ARM9
Speed
166MHz
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
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
-40°C ~ 85°C
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
Mounting Style
SMD/SMT
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
598-1250
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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- Download datasheet (13Mb)
Receive Descriptor Format - First Word
Receive Descriptor Format - Second Word
DS785UM1
NSOF
31
15
31
15
Definition:
Bit Descriptions:
Definition:
Bit Descriptions:
30
14
30
14
29
13
29
13
28
12
28
12
Receive Descriptor, first word. Contains the base address to the data buffer.
BA:
Receive Descriptor, second word. Contains control, index and length for the
descriptor.
NSOF:
BI:
BL:
27
11
27
11
26
10
26
10
Copyright 2007 Cirrus Logic
25
25
9
9
Buffer Address. This location holds the 32 bit address
pointer to the data buffer, this must point to a word aligned
location.
Not Start of Frame. When the Not Start Of Frame bit is set
in a descriptor, the associated buffer will only be used for a
frame being continued from another buffer. If there is not a
frame to be continued (that is, start of a new frame), the
buffer will be discarded. When a buffer is discarded in this
manner, there is no status posted.
Buffer Index. The buffer index is provided for Host
software purposes. The MAC keeps an internal copy of the
index and includes it with any status writes associated with
a receive buffer.
Buffer Length. The Buffer Length contains the number of
bytes available to be used in the receive buffer. This
should be an integral number of words. If the length is set
to zero, the descriptor will be ignored and no status will be
posted for the buffer.
24
24
8
8
BA
BA
BL
BI
23
23
7
7
22
22
6
6
21
21
1/10/100 Mbps Ethernet LAN Controller
5
5
20
20
4
4
19
19
3
3
EP93xx User’s Guide
18
18
2
2
17
17
1
1
16
16
9-15
0
0
9
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