MPC852TADS Freescale Semiconductor, MPC852TADS Datasheet - Page 57

• Manufacturer Part Number: MPC852TADS
• Description: Networking Modules & Development Tools ADS BOARD FOR 852
• Manufacturer: Freescale Semiconductor
• Type: Network Controller & Processorr

Specifications of MPC852TADS

• Memory Type: Flash, SDRAM
• Interface Type: RS-232, Ethernet, PCMCIA
• Operating Voltage: 1.8 V to 3.3 V
• Operating Temperature Range: 0 C to + 30 C
• Board Size: 233 mm x 150 mm
• Product: Modules
• For Use With/related Products: MPC852T
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

45
Note: If users want a larger SDRAM via a 16M A11 connection to A10 then note that this connection is existent in
the board layout. Users must connect BS0, BS1 to MPC ADD A9 & A8. This is achieved by removing R31, R28
resistors and assemble R30, R29.
A29
A28
A27
A26
A25
A24
A23
A22
A21
A20
GPL0
A10 Note1
A10
Note1
A9 / A8 Note 1
MPC Output
ADD
TABLE 4-8. Estimated SDRAM Performance Figures
/
Single Read
Single Write
Burst Read
Burst Write
Refresh
System Clock Frequency [MHz]
Freescale Semiconductor, Inc.
A9
a. Up to 32MHz.
b. One additional cycle for RAS precharge.
c. Four-beat refresh burst doesn’t include arbitration overhead.
For More Information On This Product,
TABLE 4-7. SDRAM - MPC Connections
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10 (AP)
NC(A11)
BS0
BS1
SDRAM ADD
Go to: www.freescale.com
Functional Description
MPC852TADS - User’s Manual
A29
A28
A27
A26
A25
A24
A23
A22
MPC Internal
Column ADD
5
3+1
5,1,1,1
3,1,1,1 + 1
21
Number of System Clock Cycles
c
b
50
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
MPC Internal
b
Row ADD
3
2 + 1
3,1,1,1
2,1,1,1 + 1
13
b
b
25
a
b
Release 1.0