EP9301-IQZ Cirrus Logic Inc, EP9301-IQZ Datasheet - Page 376
![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)
9
RXDEnq
RXBCA
9-74
1/10/100 Mbps Ethernet LAN Controller
EP93xx User’s Guide
31
15
31
15
Address:
Chip Reset:
Soft Reset:
Definition:
Bit Descriptions:
Address:
30
14
30
14
29
13
29
13
28
12
28
12
0x8001_009C - Read/Write
0x0000_0000
Unchanged
Receive Descriptor Enqueue register. The Receive Descriptor Enqueue
register is used to define the number of valid entries in the descriptor queue.
The register operates as follows: only the Receive descriptor Increment field is
writable and any value written to this field is added to the existing Receive
Descriptor Value. Whenever complete descriptors are read by the MAC, the
Receive Descriptor Value is decremented by the number read. For example, if
the Receive Descriptor Value is 0x07 and the Host writes 03 to the Receive
Descriptor Increment, the new Value will be 0x0A. If the controller then reads
two descriptors, the Value will be 0x08.
RSVD:
RDV:
RDI:
0x8001_0088 - Read/Write
RSVD
27
27
11
11
26
10
26
10
Copyright 2007 Cirrus Logic
25
25
9
9
Reserved. Unknown During Read.
Receive Descriptor Value.
Receive Descriptor Increment.
24
24
8
8
RBCA
RBCA
RDV
23
23
7
7
22
22
6
6
21
21
5
5
20
20
4
4
RDI
19
19
3
3
18
18
2
2
17
17
1
1
DS785UM1
16
16
0
0
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