EP9307-CRZR Cirrus Logic Inc, EP9307-CRZR Datasheet - Page 327
![IC Universal Platform ARM9 SOC Prcessor](/photos/12/14/121421/ep9307-crz_sml.jpg)
EP9307-CRZR
Manufacturer Part Number
EP9307-CRZR
Description
IC Universal Platform ARM9 SOC Prcessor
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9307-CRZR
Core Processor
ARM9
Core Size
16/32-Bit
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LCD, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
14
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
Package / Case
272-LFBGA
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB9307A-Z
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
Other names
Q5809834A
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9307-CRZR
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
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DS785UM1
9.2.3.6 Receive Frame Pre-Processing
The MAC pre-processes all incoming receive frames. First the frame is either passed on to
the next level or discarded according to the destination address filter. The next decision is
whether to accept the frame. A frame is accepted when the frame data are brought into MAC
through internal memory. The final step in frame pre-processing is the decision on causing an
interrupt. These pre-processing steps are detailed in
A c c e p t M a s k s :
P r o m i s c u o u s A
B r o a d c a s t A
F i l t e r T a p s :
C R C R u n t A
In d i v i d u a l A
M u l t i c a s t A
E n d O f S r e a m i E
IA H a s h A
i E - M a s k T a p s :
R e c e i v e S t Q i E
R u n t A
Figure 9-12. Receive Frame Pre-processing
Copyright 2007 Cirrus Logic
i s A c c e p t e d i n t o t h e c h i p
a n d t h e F r a m e B o d y
S t a t u s i n R x E v e n t
F r a m e i s p a s s e d
In c o m i n g F r a m e
t o h o s t m e m o r y
b y d e s c r i p t o r
D e s t i n a t i o n
A c c e p t ( A )
p r o c e s s o r
A d d r e s s
M a s k
F i l t e r
i E
M a s k
A c c e p t M a s k
F i l t e r P a s s e d
P A S S E D
Figure
A c c e p t M a s k
P A S S E D
N O T
1/10/100 Mbps Ethernet LAN Controller
9-12.
If t h e f i l t e r i s n o t p a s s e d ,
t h e f r a m e i s d i s c a r d e d .
In t e r r u p t i f M a s k O K
d i s c a r d e d
EP93xx User’s Guide
f r a m e
9-25
9
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