EP9307-CR Cirrus Logic Inc, EP9307-CR Datasheet - Page 20

• Manufacturer Part Number: EP9307-CR
• Description: IC,MICROPROCESSOR,32-BIT,CMOS,BGA,272PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

Specifications of EP9307-CR

• Rohs Compliant: NO
• 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, I&sup2: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-TFBGA
• 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: Contains lead / RoHS non-compliant
• For Use With: 598-1133 - KIT DEVELOPMENT EP9307 ARM9
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: No
• Other names: 598-1254

EP9307
ARM9 SOC with Ethernet, USB, Display and Touchscreen
Static Memory Single Word Write Cycle
20
AD setup to WRn assert time
AD hold from WRn deassert time
WRn deassert to CSn deassert time
CSn to WRn assert delay time
WRn assert time
CSn to DQMn assert delay time
WRn deassert to DA transition time
WRn assert to DA valid
DQMn
WAIT
WRn
RDn
CSn
AD
DA
Parameter
Figure 7. Static Memory Single Word Write Cycle Timing Measurement
t

ADs
t
WRd
Copyright 2010 Cirrus Logic (All Rights Reserved)
Symbol
t
t
t
WRpw
DQMd
t
t
t
t
t
WRd
ADh
CSh
DAh
DAV
ADs
t
DQMd
t
t
HCLK
HCLK
t
t
Min
HCLK
DAV
7
-
-
-
-
-
× 2
t
WRpw
3
t
HCLK
t
CSh
× (WST1 + 1)
Typ
-
-
-
-
-
-
-
t
ADh
Max
t
DAh
2
1
8
-
-
-
-
-
DS667F2
Unit
ns
ns
ns
ns
ns
ns
ns
ns