TP3420AN308 National Semiconductor, TP3420AN308 Datasheet - Page 10
TP3420AN308
Manufacturer Part Number
TP3420AN308
Description
IC INTERFACE DEVICE ISDN 20-DIP
Manufacturer
National Semiconductor
Datasheet
1.TP3420AV308-TRNOPB.pdf
(32 pages)
Specifications of TP3420AN308
Applications
*
Interface
*
Voltage - Supply
*
Package / Case
20-DIP (0.300", 7.62mm)
Mounting Type
Through Hole
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
*TP3420AN308
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TP3420AN308
Manufacturer:
NS
Quantity:
6 231
Part Number:
TP3420AN308
Manufacturer:
N/A
Quantity:
20 000
www.national.com
Activation/Deactivation
No Operation
Power-Down (Note 6)
Power-Up
Deactivation Request
Force INFO2 (NT only)
Monitor Mode Activation
Activation Request
Device Modes
NT Mode, Adaptive Sampling (Note 6)
NT Mode, Fixed Sampling
TE Mode, Digital System Interface Slave (Note 7)
TE Mode, Digital System Interface Master
Digital Interface Formats
Digital System Interface Format 1 (Note 6)
Digital System Interface Format 2
Digital System Interface Format 3
Digital System Interface Format 4
BCLK Frequency Settings
Set BCLK to 2.048 MHz
Set BCLK to 256 kHz
Set BCLK to 512 kHz
Set BCLK to 2.56 MHz
B Channel Exchange
B Channels Mapped Direct, B1 to B1, B2 to B2 (Note 6)
B Channels Exchanged, B1 to B2, B2 to B1
Functional Description
Function
FIGURE 5. TP3240A Enhanced MICROWIRE Control Interface Timing
(Continued)
TABLE 4. Control Register Functions
NOP
PDN
PUP
DR
FI2
MMA
AR
NTA
NTF
TES
TEM
DIF1
DIF2
DIF3
DIF4
BCLK1
BCLK2
BCLK3
BCLK4
BDIR
BEX
Mnemonic
10
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit Number
4
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
DS009143-21
3
1
0
0
0
0
1
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
2
1
0
0
0
0
1
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
0
0
1
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1