IDT82V1671AJ IDT, Integrated Device Technology Inc, IDT82V1671AJ Datasheet - Page 85

• Manufacturer Part Number: IDT82V1671AJ
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT82V1671AJ

• Number Of Channels: 4
• On-hook Transmission: Yes
• Polarity Reversal: Yes
• On-chip Ring Relay Driver: Yes
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: PLCC
• Operating Temperature Classification: Industrial
• Pin Count: 28
• Mounting: Surface Mount
• Operating Current: 95mA
• Operating Supply Voltage (max): 3.465V
• Operating Supply Voltage (min): 3.135V
• Lead Free Status / RoHS Status: Compliant

5.4.2
5.4.2.1
5.4.2.2
neglected. See the descriptions above for details.
5.4.2.3
RSLIC & CODEC CHIPSET
• Reading from the FSK-RAM:
0100,0001
After this command is executed, data will be sent out as follows:
1000,0001
byte 1
byte 2
byte 3
byte 4
• Writing to LREG2 and LREG1 of Channel 1:
1000,0001
1000,0001
0000,0001
0000,0000
• Reading from LREG2 and LREG1 of Channel 1:
1000,0001
0000,0001
After the preceding commands are executed, data will be read out as follows:
1000,0001
0000,0001
0000,0000
In GCI mode, the global registers are addressed in the similar manner as the local registers except the A/B bit in the Program Start byte is
• Writing to the Coe-RAM of Channel 1:
1000,0001
1110,0000
byte 1
byte 2
byte 3
byte 4
byte 5
byte 6
byte 7
byte 8
byte 9
byte 10
byte 11
byte 12
byte 13
byte 14
byte 15
byte 16
• Reading from the Coe-RAM of Channel 1:
1000,0001
0110,0000
After these commands are executed, data will be sent out as follows:
1000,0001
byte 1
PROGRAMMING EXAMPLES FOR GCI MODE
Example of Programming the Local Registers via GCI
Example of Programming the Global Registers via GCI
Example of Programming the Coefficient-RAM via GCI
FSK-RAM read command (The address is '00001', means that word 2 and word 1 will be read.)
Identification code
Program start command (provided channel A is the destination)
data for LREG2
data for LREG1
Program start command (provided channel A is the source)
Program start byte
data read out from LREG2
data read out from LREG1
Coe-RAM read command (The address is '00000', means that block 1 will be read.)
Program start byte
data read out from high byte of word 2
data read out from low byte of word 2
data read out from high byte of word 1
data read out from low byte of word 1
Local register write command (The address is '00001', means that data will be written to LREG2 and LREG1.)
Local register read command (The address is '00001', means that LREG2 and LREG1 will be read.)
Program Start command (provided channel A is the destination)
Coe-RAM write command (The address is '00001', means that data will be written to block 1.)
data for high byte of word 8 in block 1 (the highest two bits (b7b6) are ignored)
data for low byte of word 8 in block 1
data for high byte of word 7 in block 1 (the highest two bits (b7b6) are ignored)
data for low byte of word 7 in block 1
data for high byte of word 6 in block 1 (the highest two bits (b7b6) are ignored)
data for low byte of word 6 in block 1
data for high byte of word 5 in block 1 (the highest two bits (b7b6) are ignored)
data for low byte of word 5 in block 1
data for high byte of word 4 in block 1 (the highest two bits (b7b6) are ignored)
data for low byte of word 4 in block 1
data for high byte of word 3 in block 1 (the highest two bits (b7b6) are ignored)
data for low byte of word 3 in block 1
data for high byte of word 2 in block 1 (the highest two bits (b7b6) are ignored)
data for low byte of word 2 in block 1
data for high byte of word 1 in block 1 (the highest two bits (b7b6) are ignored)
data for low byte of word 1 in block 1
Program Start command (provided channel A is the source)
data read out from high byte of word 8 in block 1 (the highest two bits (b7b6) are meaningless)
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IDT82V1671/IDT82V1671A, IDT82V1074