參數(shù)資料
型號: SI3232PPTX-EVB
廠商: Silicon Laboratories Inc
文件頁數(shù): 59/128頁
文件大?。?/td> 0K
描述: BOARD EVAL W/DISCRETE INTERFACE
標(biāo)準(zhǔn)包裝: 1
系列: ProSLIC®
主要目的: 接口,模擬前端(AFE)
已用 IC / 零件: Si3232
已供物品: 板,CD
Si3232
36
Preliminary Rev. 0.96
Not
Recommended
fo
r N
ew
D
esi
gn
s
Table 22. Register and RAM Locations used for Ground Key Detection
Parameter
Register/
RAM
Mnemonic
Register/RAM
Bits
Programmable
Range
LSB Size
Resolutio
n
Ground Key Interrupt Pend-
ing
IRQVEC2
LONGS
Yes/No
N/A
Ground Key Interrupt Enable
IRQEN2
LONGE
Yes/No
N/A
Linefeed Shadow
LINEFEED
LFS[2:0]
Monitor only
N/A
Ground Key Detect Status
LCRRTP
LONGHI
Monitor only
N/A
Ground Key Detect
Debounce Interval
LONGDBI
LONGDBI[15:0]
0 to 40.96 s
1.25 ms
Longitudinal Current Sense
ILONG
ILONG[15:0]
Monitor only
See
Ground Key Threshold (high)
LONGHITH
LONGHITH[15:0]
0 to 101.09 mA*
3.097 A
396.4 A
Ground Key Threshold (low)
LONGLOTH
LON-
GLOTH[15:0]
0 to 101.09 mA*
3.097 A
396.4 A
Ground Key Filter Coefficient
LONGLPF
LONGLPF[15:3]
0 to 4000h
N/A
Note: The usable range for LONGHITH and LONGLOTH is limited to 16 mA. Setting a value >16 mA will disable threshold
detection
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