External Memory Bank Space - Analog Devices ADSP-TS101 TigerSHARC Hardware Reference Manual

Memory Access Features
page 2-33. The backoff is also effective on this zone—see "Backoff" on
page 5-50. The host address is 3.75 gigawords and is divided into two
fields.
Table 2-1. Host Address
Bits Name
ADDR27–0 Address
ADDR31–28 Host Select Determines the type of address.

External Memory Bank Space

Corresponds to off-chip memory and memory mapped I/O devices
(SDRAM, I/O peripherals, and other standard memory devices).
Normal external accesses are split into three zones. One zone is for
SDRAM; the access is executed in SDRAM protocol. The other two zones
are identified by external memory select pins
protocol is user configurable as pipelined or slow device protocol, and the
parameters are defined by the
Control/Status (BIU) Register Group" on page 2-30.
2-4
Definition
Address in host range
As long as the value is not 0000, the address is directed to the host
address space –
0b0001 0b1111
register value—see section "Bus
SYSCON
ADSP-TS101 TigerSHARC Processor
(Host space)
and , where the access
MS0 MS1
Hardware Reference