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Read Command
A read request command comprises 3 bytes:
Read request
Address high
1 0 0 1 1 B B B
n n n n n n n n
The response is a 5 byte stream:
Command conf.
Address high
1 0 0 1 1 B B B
n n n n n n n n
Write Command
The write command comprises 5 bytes:
Command conf.
Address high
1 0 0 0 1 B B B
n n n n n n n n
No bytes are returned
Memory Map of the CODSP
Global Memory Map and
MemID Definitions
• All addresses can be read and writ-
ten, though writing to locations or
individual bit which are not described
here may result in unpredictable,
though possibly interesting, behav-
iour.
• The memory block to be accessed is
given as part of the READ or WRITE
command (see above) as the 'B' bits
in the command byte.
Address low
n n n n n n n n
Address low
Data high
n n n n n n n n
d d d d d d d d
Address low
Data high
n n n n n n n n
d d d d d d d d
• The default parameter and coefficient
values that are used at start-up and
after reset, are listed in the following
tables.
• The control registers of the SH POTS
system, accessed via the GCI, are
organised in a number of memory
blocks. Within each block, a number
of addresses are used directly to con-
trol the operation of specific functions
of the SH POTS system.
43
MTK-40131
Data low
d d d d d d d d
Data low
d d d d d d d
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