PEB2465 SIEMENS [Siemens Semiconductor Group], PEB2465 Datasheet - Page 44

• Manufacturer Part Number: PEB2465
• Description: Four Channel Codec Filter
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Semiconductor Group
5
Figure 13
5.1
Upon initial application of
software-reset (see COP command, page 35), the SICOFI-4 enters a basic setting
mode. Basic setting means, that the SICOFI-4 configuration registers CR1
XR1
All programmable filters are disabled, A-law is chosen, all programmable command/
indication pins are inputs. The two tone generators as well as any testmodes are
disabled. There is no persistence checking. Receive signaling registers are cleared.
DU-pin is in high impedance state, the analog outputs and the signaling outputs are
forced to ground.
XR3 are initialized to ‘0’ for all channels.
Operating Modes
RESET (Basic setting mode)
V
DD
or resetting pin RESET to ‘1’ during operation, or by
44
Operating Modes
PEB 2465
CR4 and
02.97