EP9307-CRZ Cirrus Logic Inc, EP9307-CRZ Datasheet - Page 22

• 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 32-bit Write on 8-bit External Bus
22
AD setup to WRn assert time
WRn/DQMn deassert to AD transition time
AD hold from WRn deassert time
CSn hold from WRn deassert time
CSn to WRn assert delay time
WRn assert time
WRn deassert time
CSn to DQMn assert delay time
DQMn assert time
DQMn deassert time
WRn / DQMn deassert to DA transition time
WRn / DQMn assert to DA valid time
DQMn
WAIT
WRn
RDn
CSn
AD
DA
t
ADs
t
DQMd
t
WRd
Parameter
Figure 9. Static Memory Multiple Word Write 8-bit Cycle Timing Measurement
t
DAV
t
t
WRpwL
DQMpwL

Copyright 2010 Cirrus Logic (All Rights Reserved)
t
t
WRpwH
DQMpwH
t
DAh
t
ADd
Symbol
t
t
t
t
DQMpwL
DQMpwH
WRpwH
t
WRpwL
t
DQMd
t
t
t
t
t
t
t
WRd
ADd
ADh
CSh
DAh
DAV
DAV
ADs
t
t
WRpwL
DQMpwL
t
t
t
t
WRpwH
DQMpwH
HCLK
HCLK
t
Min
HCLK
7
-
-
-
-
-
-
-
-
t
− 3
× 2
DAh
t
ADd
t
DAV
t
t
WRpwL
DQMpwL
t
t
HCLK
HCLK
t
HCLK
× (WST1 + 1)
× (WST1 + 1)
Typ
t
t
WRpwH
DQMpwH
-
-
-
-
-
-
-
-
-
× 2
t
DAh
t
ADd
t
DAV
t
(t
CSh
(t
HCLK
HCLK
t
ADh
t
HCLK
Max
× 2) + 14
2
1
8
-
-
-
-
-
× 2) + 7
-
+ 6
DS667F2
t
DAh
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns