Le58083
Data Sheet
SOP 14. Write/Read Interrupt Mask Register
GCI Command
(6C/6Dh)
R/W = 0: Write
R/W = 1: Read
D
D
D
D
D
D
D
D
7
6
5
4
3
2
1
0
Command
I/O Data
0
1
1
0
1
1
0
R/W
MCDB4
MCDA4
MCDB3
MCDA3
MCDB2
MCDA2
MCDB1
MCDA1
Mask CD Interrupt
MCDxC = 0
MCDxC = 1*
CDxC bit is NOT MASKED
CDxC bit is MASKED
Bit number (A or B)
x
C
Channel number (1 through 4)
Masked
A change does not cause the Interrupt Pin to go Low.
*Power Up and Hardware Reset (RST) Value = FFh
COP (Coefficient Operation) Command
The COP command, which is a GCI command, writes or reads data related to filter coefficients. Filter coefficient data is used by
the voice processors within the Le58083 Octal SLAC device to configure the various filters in the voice channel. In this case, 1
to 14 coefficient bytes follow the command byte. The Le58083 Octal SLAC device interprets the bytes as canonic signed digital
(CSD) data and sets the coefficients accordingly.
The Le58083 Octal SLAC device responds to the read coefficient command by sending up to 14 CSD bytes upstream. These
bytes contain the coefficients requested by the upstream controller. For diagnostic purposes, various RAM locations containing
data to which the Le58083 Octal SLAC device has access can also be read back by this command.
The generic transmission sequence for the COP command is shown in Table Table 12.
Table 12. Generic Transmission Sequence for COP Command
Downstream
Upstream
ADDRESS
Command byte, COP write
Data1
•
•
Data
M
Control byte, COP read
Data
•
1
•
Data
n ≤ 14
N
m ≤ 14
The following tables show the format of the COP bytes that follow a downstream address byte.
D7
D6
D5
D4
D3
D2
D1
D0
Command
Data
CMD
CMD
CMD
CMD
CMD
CMD
CMD
CMD
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
Data
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
79
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
