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參數(shù)資料
| 型號(hào)： | SI2401FS10-EVB |
| 廠商： | Silicon Laboratories Inc |
| 文件頁(yè)數(shù)： | 30/76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： | 否 |
| 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： | 336-1167 |
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Si2401
36
Rev. 1.0
S18
0x18
BTOD
Busy tone delta time (10 ms units). A busy tone is detected to be
valid if (BTON – BTOD < on time < BTON + BTOD) and (BTOF –
BTOD < off time < BTOF + BTOD).
0x0F
S19
0x19
RTON
Ringback tone on. Time that the ringback tone must be on
(53.333 ms units) for ringback tone detector.
0x26
S1A
0x1A
RTOF
Ringback tone off. Time that the ringback tone must be off
(53.333 ms units) for ringback tone detector.
0x4B
S1B
0x1B
RTOD
Detector time delta (53.333 ms units). A ringback tone is deter-
mined to be valid if (RTON – RTOD < on time < RTON + RTOD)
and (RTOF – RTOD < off time < RTOF + RTOD).
0x07
S1C
0x1C
DTT
Dial tone detect time. The time that the dial tone must be valid
before being detected
(10 ms units).
0x0A
S1E
0x1E
TATL
Transmit answer tone length. Answer tone length in seconds
when answering a call (1 s units).
0x03
S1F
0x1F
ARM3
Answer tone to transmit delay. Delay between answer tone end
and transmit data start (5/3 ms units).
0x2D
S20
0x20
UNL
Unscrambled ones length. Minimum length of time required for
detection of unscrambled binary ones during V.22 handshaking
by a calling modem (5/3 ms units).
0x5D
S21
0x21
TSOD
Transmit scrambled ones delay. Time between unscrambled
binary one detection and scrambled binary one transmission by
a call mode V.22 modem (53.3 ms units).
0x09
S22
0x22
TSOL
Transmit scrambled ones length. Length of time scrambled ones
are sent by a call mode V.22 modem (5/3 ms units).
0xA2
S23
0x23
VDDL
V.22X data delay low. Delay between handshake complete and
data connection for a V.22X call mode modem (5/3 ms units
added to the time specified by VDDH).
0xCB
S24
0x24
VDDH
V.22X data delay high. Delay between handshake complete and
data connection for a V.22X call mode modem (256 x 5/3 ms
units added to the time specified by VDDL).
0x08
S25
0x25
SPTL
S1 pattern time length. Amount of time the unscrambled S1 pat-
tern is sent by a call mode V.22bis modem (5/3 ms units).
0x3C
S26
0x26
VTSO
V.22bis 1200 bps scrambled ones length. Minimum length of
time for transmission of 1200 bps scrambled binary ones by a
call mode V.22bis modem after the end of pattern S1 detection
(53.3 ms).
0x0C
S27
0x27
VTSOL
V.22bis 2400 bps scrambled ones length low. Minimum length of
time for transmission of 2400 bps scrambled binary ones by a
call mode V.22bis modem (5/3 ms units).
0x78
Table 21. S-Register Summary (Continued)
“S”
Register
Address
(hex)
Name
Function
Reset
*Note:
These registers are explained in detail in the following section.
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