82V1068PF8 IDT, Integrated Device Technology Inc, 82V1068PF8 Datasheet - Page 14

• Manufacturer Part Number: 82V1068PF8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82V1068PF8

• Single Supply Voltage (typ): 3.3V
• Single Supply Voltage (min): 3.135V
• Single Supply Voltage (max): 3.6V
• Package Type: TQFP
• Lead Free Status / Rohs Status: Not Compliant

IDT82V1068 OCTAL PROGRAMMABLE PCM CODEC
2.1.3.2
GCI time slot consists of four bytes. In one GCI frame, four of the 8 time
slots are used as Monitor Channel and C/I channel. These four time
slots have a common data structure as follows:
coefficients from/to the device for Channel A and B.
bit and an MR bit. All real time signaling information is carried on the C/I
channel sub-byte. The MX (Monitor Transmit) bit and MR (Monitor
Table 2 Time Slot Selection for Linear GCI Mode
IDT82V1068
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
In GCI linear mode, one GCI frame consists of 8 GCI time slots, each
- Two Don’t Care bytes.
- One monitor channel byte used for reading/writing control data/
- One C/I byte containing a 6-bit wide sub-byte together with an MX
Channel
Linear GCI Structure
Time Slot 0
Time Slot 0
Time Slot 1
Time Slot 1
Time Slot 2
Time Slot 2
Time Slot 3
Time Slot 3
Time Slot
Channel and
C/I Channel
FSC
DCL
DD
DU
Detail A
DD
DU
Detail B
DD
DU
Monitor
A
B
A
B
A
B
A
B
TS = 0
Time Slot 4
Time Slot 4
Time Slot 5
Time Slot 5
Time Slot 6
Time Slot 6
Time Slot 7
Time Slot 7
Time Slot
Detail A
TS0
TS0
16-bit Linear Voice Data for Channel A
16-bit Linear Voice Data for Channel A
Figure 5 Linear GCI Frame Structure (TS = 0)
Don't Care
Don't Care
TS0-3 for Monitor and C/I
TS1
TS1
Channel
Voice
TS2
TS2
A
B
A
B
A
B
A
B
Don't Care
Don't Care
14
TS3
TS3
IDT82V1068
Receive) bits are used for handshaking functions for Channel A and B.
Both MX and MR bits are active low.
(16-bit 2’s complement). Each of these time slots consists four bytes:
two bytes of linear voice data of Channel A, two bytes of linear voice
data of Channel B.
pin TS, as shown in
all eight channels of the IDT82V1068. When the TS pin is low, the linear
GCI frame structure is as shown in
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
125 µs
Channel
Other four GCI time slots are used to transfer the linear voice data
The GCI time slot assignment is determined by the Time Selection
In linear GCI mode, total eight GCI time slots are required to access
Detail B
Monitor Channel C/I Channel
Monitor Channel C/I Channel
TS4
TS4
16-bit Linear Voice Data for Channel B
16-bit Linear Voice Data for Channel B
TS4-7 for Linear Voice Data
Time Slot 4
Time Slot 4
Time Slot 5
Time Slot 5
Time Slot 6
Time Slot 6
Time Slot 7
Time Slot 7
TS5
TS5
Time Slot
Table
TS6
TS6
2.
INDUSTRIAL TEMPERATURE RANGE
Channel and
C/I Channel
Monitor
TS7
TS7
A
B
A
B
A
B
A
B
M
R
M
R
Figure
M
M
X
X
TS = 1
5.
Time Slot 0
Time Slot 0
Time Slot 1
Time Slot 1
Time Slot 2
Time Slot 2
Time Slot 3
Time Slot 3
Time Slot
Channel
Voice
A
B
A
B
A
B
A
B