N681622YG Nuvoton Technology Corporation of America, N681622YG Datasheet - Page 117

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

Specifications of N681622YG

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Ground Key Detection Filter Coefficient governs the Ground Key Detect LPF cutoff frequency f
DC Ring Trip Coefficient is governed by the cutoff frequency f
Addr.
0x62
Addr.
Addr.
0x65
0x66
Preliminary Datasheet Rev1.0
0x63
0x64
14.8.3. GROUND KEY DETECT DEBOUNCE TIME
14.8.4. GROUND KEY DETECT FILTER COEFFICIENT LOW/ HIGH
14.8.5. DC RING TRIP DEBOUNCE FILTER COEFFICIENT LOW
RTDCDL
Location
DCHD
Name
GKDFCH
GKDFCL
GKDDT
Name
Name
Bit
7
Enable Ground Key detection
D7
GKDEN
D7
Range
D7
FCGKD[11
Bit Description
DRTFC
D6
D6
RES
D6
[
Minimum
11
0 msec
:
:
Page 117 of 164
0]
] 0
D5
=
D5
D5
=
GKD DEBOUNCE TIME
RES
⎛
⎜
⎜ ⎜
⎝
- 1
⎡
⎢
⎢
⎢
⎣
1
Maximum
320 msec
−
2
D4
DRTDFC[7:0]
(
*
D4
LP
DTGKD[7:0]
D4
2
FCGKD[7:0]
800
π
Bit Name
GKDEN
*
Single Programmable Extended Codec/SLCC
*
π
⎛
⎜
⎜
⎝
f *
800Hz
LP
f
D3
LP
)
D3
D3
⎤
⎥
⎥
⎥
⎦
1.25 msec
Increment
⎞
⎟
⎟
⎠
x
⎞
⎟
⎟ ⎟
⎠
*
2
Disable
2
DRTDFC[11:8]
12
D2
12
D2
FCGKD[11:8]
D2
0
Bit Value
D1
D1
D1
N681386/87
Enable
LP
1
D0
D0
D0
January 2010
Default
Default
Default
0x00
0x00
0x00
0x00
0x00