EP9307-CRZR Cirrus Logic Inc, EP9307-CRZR Datasheet - Page 16

• 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, 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-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

EP9307
ARM9 SOC with Ethernet, USB, Display and Touchscreen
SDRAM Burst Read Cycle
16
SDWEn
SDCLK
SDCSn
DQMn
DQMn
RASn
CASn
CL = 2
CL = 3
CL = 2
CL = 3
AD
DA
DA
t
t
d
d
t
DQd

Figure 3. SDRAM Burst Read Cycle Timing Measurement
Copyright 2010 Cirrus Logic (All Rights Reserved)
t
h
t
DAs
t
clk_low
n
t
t
DAs
DAh
n
n + 1
t
DAh
t
clk_high
t
clkrf
t
DQh
n + 1
n + 2
n + 3
n + 2
t
DQh
n + 3
DS667F2