N681622YG Nuvoton Technology Corporation of America, N681622YG Datasheet - Page 113

• Manufacturer Part Number: N681622YG
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of N681622YG

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Location
D0 - D5
D0 - D5
(0x53)
(0x54)
Bit
Loop Closure Detect Coefficient LCDC[11:0] is governed by the cutoff frequency f
AC Ring Trip Detect Filter Coefficient ARTDFC[11:0] is governed by the cutoff frequency f
“ RES ” in the register map means reserved bit(s).
Preliminary Datasheet Rev1.0
Addr.
Loop Closure
Detect Threshold
Loop Closure
Detect Threshold
with hysteresis
0x53
0x54
Addr.
0x50
0x51
0x52
Bit Description
14.7.16. LOOP CLOSURE DETECT/RING TRIP DETECT COEFFICIENT
14.7.17. LOOP CLOSURE DETECT THRESHOLD WITHOUT / WITH HYSTERESIS
RTDFCLD
LCTHY
LCDCL
Name
DCHD
Name
LCT
Location
Bit
6
7
If hysteresis enabled
(LCTHY:LCHYEN=1) LCT[5:0] only
used to determine transitions from
ON-HOOK to OFF-HOOK state
Only valid if hysteresis enabled
(LCTHY:LCHYEN=1) LCTOFF[5:0]
only used to determine transitions
from OFF-HOOK to ON-HOOK state
Loop Closure Hysteresis
Dynamic Battery Target
DBTR
D7
D7
ARTDFC[11
LCDC[11
Bit Description
RES
ARTDFC[11:8]
D6
LCHYEN
D6
:
0]
:
Page 113 of 164
Condition
0]
=
D5
=
⎛
⎜
⎜ ⎜
⎝
- 1
⎛
⎜
⎜ ⎜
⎝
- 1
D5
2
2
*
D4
LCHYEN
DBTR
ARTDFC[7:0]
π
*
Name
LCDC[7:0]
π
*
Bit
Single Programmable Extended Codec/SLCC
Current Based
(RTLC:VBLC=0,)
Voltage Based
(RTLC:VBLC=1,)
Current Based
Voltage Based
(LCDB:VBLC=1)
⎛
⎜
⎜
⎝
*
D4
800Hz
⎛
⎜
⎜
⎝
f
800Hz
LP
f
LP
D3
Disable
Disable
⎞
⎟
⎟
⎠
LCTOFF[5:0]
D3
⎞
⎟
⎟ ⎟
⎠
⎞
⎟
⎟
⎠
LCT[5:0]
*
⎞
⎟
⎟ ⎟
⎠
2
*
0
12
2
D2
12
LCDC[11:8]
Bit Value
LP
D2
LCT
LCTOFF
Bit Name
Enable
Enable
LP
D1
D1
N681386/87
1
0 to 80 mA
0 to 93.5 V
0 to 80 mA
0 to 93.5 V
D0
D0
Range
January 2010
Default
Default
0x00
0x00
0x00
0x00
0x00
1.27 mA
1.484 V
1.27 mA
1.484 V
Increment