TMC2074-NU SMSC, TMC2074-NU Datasheet - Page 100

• Manufacturer Part Number: TMC2074-NU
• Description: IC CTRL CIRC 128VTQFP PERIPH MOD
• Manufacturer: SMSC
• Series: CircLink™r

Specifications of TMC2074-NU

• Controller Type: I/O Controller
• Interface: Transceiver
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 40mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1024

3.2.25 NSTDIF Register: NST Phase Difference
Supplement:
Revision 0.2 (10-23-08)
DIFDIR (NSTDIF register: bit 15)
This bit indicates a direction of NST phase difference. This bit is not applicable for the clock master node.
0: Ahead of CM node
1: Behind CM node
NSTDIF14-0 (NSTDIF register: bit 14-0)
These bits are used to express the absolute value of the phase difference between a CM node and NST in
0 to 32, 768. These bits are not applicable if the node is a clock master node.
Accessing the NST register can dynamically provide the latest time data. Since NST is a 16 bit value, it is
necessary to read the even address side (32h) first when 8-bit bus is used. When the even address side
(13h) is read out, the remaining 8 bits of the NST are latched internally.
NSTDIF
If the node is a clock master node, the NSTDIF register is tied to 0000h.
14-0
Bit
15
name
DIFDIR
NSTDIF14-0
DATASHEET
init. value
all”0”
1
Page 100
description
Differential Direction
NST Differential
Dual Mode CircLink™ Controller
address:32h
(Read Only)
SMSC TMC2074
Datasheet