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

• Manufacturer Part Number: EP9307-CRZ
• Description: IC ARM9 SOC ARM920T 272TFBGA
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

Specifications of EP9307-CRZ

• Core Size: 16/32-Bit
• Core Processor: ARM9
• 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
• Controller Family/series: (ARM9)
• No. Of I/o's: 14
• Ram Memory Size: 32MB
• Cpu Speed: 200MHz
• No. Of Timers: 4
• No. Of Pwm Channels: 1
• Digital Ic Case Style: TFBGA
• Embedded Interface Type: AC97, I2S, SPI, UART, USB
• Rohs Compliant: Yes
• 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
• For Use With: 598-1133 - KIT DEVELOPMENT EP9307 ARM9
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 598-1138

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