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參數資料
| 型號： | CC-14.4K2-IS |
| 廠商： | Copeland Communications Inc |
| 文件頁數： | 44/60頁 |
| 文件大?。?/td> | 0K |
| 描述： | MODEM 14.4KBAUD SERIAL 3.3V |
| 標準包裝： | 30 |
| 數據格式： | V.22，V23，V.32，Bell 103，Bell 212A |
| 波特率： | 14.4k |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 模塊 |
| 包裝： | 散裝 |
| 配用： | 539-1002-ND - KIT EVALUATION WORLD MODEM II |
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Data Sheet
World modem II
Page 49 of 60
2004, Copeland Communications, Inc.
World modem II Datasheet Rev 1.1
U70 IO0
Bit
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Name
HES
TES
CIDM
OCDM
PPDM
RIM
DCDM
0
CID
OCD
PPD
RI
DCD
Type
R/W
Reset settings = 0x2700
Bit
Name
Function
Hardware Escape Pin.
0 = Disable.
15
HES
1 = Enable.
14
Reserved
Read returns 0.
Enable "+++" Escape.
0 = Disable.
13
TES
1 = Enable.
Caller ID Mask.
0 = Change in CID will not affect INT.
12
CIDM
1 = A low to high transition in CID activates INT#.
Overcurrent Detect Mask.
0 = Change in OCD does not affect INT. ("X" result code is not generated in command
mode.)
11
OCDM
1 = A low to high transition in OCD will activate INT. ("X" result code is generated in command
mode.)
Parallel Phone Detect Mask.
0 = Change in RI does not affect INT#.
10
PPDM
1 = A low to high transition in will activate INT.
Ring Indicator.
0 = Change in RI does not affect INT#.
9
RIM
1 = A low to high transition in RI activates INT.
Data Carrier Detect Mask
0 = Change in DCD does not affect INT#.
8
DCDM
1 - A high to low transition in DCD (U70, but 0), which indicates loss of carrier, activates INT.
7
Reserved
Must be set to zero.
6:5
Reserved
Read returns 0.
Caller ID (sticky).
4
CID
Caller ID Preamble has been detected; data will soon follow. Clears on :I read.
Overcurrent Detect (sticky).
3
OCD
Overcurrent condition has occurred. Clears on :I read.
Parallel Phone Detect (sticky).
2
PPD
Parallel phone detected since last off-hook event. Clears on :I read.
Ring Indicator.
1
RI
Active high bit when the modem is on-hook, indicates ring event has occurred. Clears on :I read.
Data Carrier Detect (status).
0
DCD
Active high bit indicates carrier detected (equivalent to inverse of DCD# pin).
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