DS33Z11 Maxim Integrated Products, DS33Z11 Datasheet - Page 82
DS33Z11
Manufacturer Part Number
DS33Z11
Description
Network Controller & Processor ICs Ethernet Mapper Ethe rnet-Serial TDM Ethe
Manufacturer
Maxim Integrated Products
Datasheet
1.DS33Z11.pdf
(172 pages)
Specifications of DS33Z11
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Register Name:
Register Description
Register Address:
Bits 0 - 7: SDRAM Refresh Time Control (SREFT0 – SREFT7) These 8 bits are used to control the SDRAM
refresh frequency. The refresh rate will be equal to this register value x 8 x 100 Mhz.
Note: This register has a non-zero default value. This should be taken into consideration when initializing
the device.
Note: After changing the value of this register, the user must toggle the GL.SDMODEWS.SDMW bit to
write the new values to the SDRAM.
Bit #
Name
Default
SREFT7
7
0
SREFT6
6
1
GL.SDRFTC
Global SDRAM Refresh Time Control
3Dh
SREFT5
5
0
82 of 172
SREFT4
4
0
SREFT3
3
0
SREFT2
2
1
SREFT1
1
1
SREFT0
0
0
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