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STR720 Datasheet(PDF) 399 Page - STMicroelectronics

Part # STR720
Description  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR720 Datasheet(HTML) 399 Page - STMicroelectronics

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STR720 - ELECTRICAL CHARACTERISTICS
399/401
The next two figures represent the write access timing, here considered in the single write
case since burst write is performed using the same timing characteristics, and the entry in
self-refresh (power-save) mode where MICKEN signal is used.
Figure 87. SDRAM Single Write Access
delay
RAS-CAS
latency
CAS
MICLK
MIA[13:11]
Bank
MIA[10:0]
Row
Col
MCS[x]
MISA / RAS
MIAA / CAS
MID[32:0]
Data
MIWE
delay
precharge
Activate
Bank
Write
Precharge
Bank
Note: this diagram shows the timing with RAS-CAS delay, CAS latency and precharge delay all set to 1 wait-state.
MIBLS[3:0]
Value
(output)
tSCDA
tSCBL



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