參數(shù)資料
型號(hào): SI2401FS10-EVB
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 41/76頁(yè)
文件大?。?/td> 0K
描述: BOARD EVAL SI2401 UART INTERFACE
標(biāo)準(zhǔn)包裝: 1
系列: ISOmodem®
主要目的: 電信,調(diào)制解調(diào)器
嵌入式:
已用 IC / 零件: SI2401
主要屬性: 雙路 RJ-11 連接至電話線路,音頻連接器
次要屬性: RS-232,TTL 串行和 USB 接口
已供物品: 板,調(diào)制解調(diào)器,電源
相關(guān)產(chǎn)品: 336-1095-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC
其它名稱(chēng): 336-1167
Si2401
46
Rev. 1.0
Reset settings = 0000_0000 (0x00)
S0D (MF3). Modem Functions 3
Bit
D7
D6D5D4D3
D2
D1
D0
Name
RI
INTP
RBTS
EHR
EHB
EHI
EHE
Type
R/WR/WR/WR/WR/WR/W
R/W
Bit
Name
Function
7
Reserved
Read returns zero.
6RI
Ring Indicator.
Specifies the functionality of pin3.
0
= Pin 3 functions as GPIO5 controlled by register SE1.
1 = Pin 3 functions as RI. RI asserts during a ring and negates when no
ring is present.
5INTP
INT Polarity.
Specifies the polarity of the INT function on pin 11.
0
= An interrupt forces pin 11 low.
1 = An interrupt forces pin 11 high.
4RBTS
Ringback Tone Selector
Controls the unit step size for registers S19, S1A and S1B.
0
= 53.33 ms units. Necessary for detecting a ringback tone.
1 = 10 ms units. Necessary for detecting a reorder tone.
3EHR
Enable Hangup on Reorder.
Modem is placed on-hook if a ringback or reorder tone is detected. See S0D[4].
0
= Disable.
1= Enable.
2EHB
Enable Hangup on Busy.
Modem is placed on-hook if a busy signal is detected.
0
= Disable.
1= Enable.
1EHI
Enable Hangup on Intrusion.
Modem is placed on-hook if parallel intrusion is detected.
0
= Disable.
1= Enable.
0EHE
Enable Hangup on Escape.
Modem is placed on-hook if a ESC signal is detected.
0
= Disable.
1= Enable.
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