EP9307-CRZ Cirrus Logic Inc, EP9307-CRZ Datasheet - Page 18

• 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
SDRAM Auto Refresh Cycle
18
SDWEn
SDCLK
SDCSn
RASn
CASn
Note:
Chip select shown as bus to illustrate multiple devices being put into auto refresh in one access
Figure 5. SDRAM Auto Refresh Cycle Timing Measurement
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Copyright 2010 Cirrus Logic (All Rights Reserved)
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