EP7311-CR-90 Cirrus Logic Inc, EP7311-CR-90 Datasheet - Page 20
![Microcontrollers (MCU) Hi Perf. Low PWR SOC 90MHz](/photos/39/69/396958/bga204_sml.jpg)
EP7311-CR-90
Manufacturer Part Number
EP7311-CR-90
Description
Microcontrollers (MCU) Hi Perf. Low PWR SOC 90MHz
Manufacturer
Cirrus Logic Inc
Datasheet
1.EP7311-CB.pdf
(58 pages)
Specifications of EP7311-CR-90
Processor Series
EP73xx
Core
ARM720T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Lead Free Status / Rohs Status
No
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EP7311
High-Performance, Low-Power System on Chip
SDRAM Refresh Cycle
20
SDMWE
SDCLK
SDRAS
SDCAS
SDATA
SDQM
ADDR
SDCS
[3:0]
Note:
1. Timings are shown with CAS latency = 2
2. The SDCLK signal may be phase shifted relative to the rest of the SDRAM control and data signals due to uneven loading.
Designers should take care to ensure that delays between SDRAM control and data signals are approximately equal
Figure 6. SDRAM Refresh Cycle Timing Measurement
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