AN2329 Freescale Semiconductor / Motorola, AN2329 Datasheet - Page 20

• Manufacturer Part Number: AN2329
• Description: Interfacing the MSC8101 to SDRAM on the MSC8101ADS
• Manufacturer: Freescale Semiconductor / Motorola

Programming the MSC8101 SDRAM Machine
20
SDA10
11–13
Name
SDAM
BSMA
8–10
5–7
Reset
0
0
0
Freescale Semiconductor, Inc.
Address Multiplex Size
Determines how the address of the current
memory cycle can be output on the address
pins.
Bank Select Multiplexed Address Line
Selects the address pins to serve as
bank-select address for the system bus
SDRAM. The bank select address can also
be output on the BANKSEL pins (optional).
“A10” Control
With PSDMR[PBI], determines which
address line can be output to SDA10 during
an
selected, to control the memory access.
For More Information On This Product,
ACTIVATE
Table 22. PSDMR Settings (Continued)
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command, when SDRAM is
Description
000
001
010
011
100
101
110
111
For PBI = 0:
000
001
010
011
100
101
110
111
For PBI = 1:
000
001
010
011
100
101
110
111
SDAM
000
001
010
011
100
101
NOTE: The selection shown in bold (the 010
value) applies to both 32-bit and 64-bit port
sizes.
A[12–14].
A[13–15].
A[14–16].
A[15–17] (for 64-bit port size).
A[16–18] (for 32-bit port size).
A[17–19].
A[18–20].
A[19–21].
A12.
A11.
A10.
A9
A8
A7.
A6.
A5.
A10.
A9 (for 32-bit port size).
A8 (for 64-bit port size).
A7.
A6.
A5.
A4.
A3.
Address Pin
System Bus
External
A[15–31]
A[13–31]
A[14–31]
A[16–31]
A[17–31]
A[18–31]
Settings
Signal Driven
on External
A[5–21]
A[5–23]
A[5–22]
A[5–20]
A[5–19]
A[5–18]
Pin