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參數(shù)資料
| 型號(hào)： | M34116 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | PCM CONFERENCE CALL AND TONE GENERATION CIRCUIT |
| 中文描述： | 的PCM電話(huà)會(huì)議和音產(chǎn)生電路 |
| 文件頁(yè)數(shù)： | 12/23頁(yè) |
| 文件大?。?/td> | 374K |
| 代理商： | M34116 |
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M34116 INSTRUCTION SET
(continued)
INSTRUCTION 6: M34116STATUS
The Status instruction can be used to read the contents of the instruction register and of the tone and
melodyregisters.
Two byte are needed:
Control Signal
RD
1
1
Data Bus
D4
C4
CS
0
0
C/D
0
1
WR
0
0
D7
D6
D5
C5
D3
C3
0
D2
C2
1
D1
C1
1
D0
C0
0
O
C5–C0:Channelnumber (0–63)
After sending this instruction a variablenumber of Read can be sent dependingon the type of operation
that performs the channel (conference, transparent, tone, or melody). The first 3 Read, common to all
type of operation,will send on the Data Bus the followingdata relativeto the channel (C5–C0):
Control Signal
RD
0
0
0
Data Bus
D4
P4
AI4
AO4
CS
0
0
0
C/D
0
0
0
WR
1
1
1
D7
IT
D6
PT
D5
D3
P3
AI3
AO3
D2
P2
AI2
AO2
D1
P1
AI1
AO1
D0
P0
AI0
AO0
Note:
P4–P0= 0 means that the channelis disconnectedso any following dataread is meaningless.
P4–P0= 1 to 29is the conferencenumber.
P4–P0= 30 meansthat the channel operation is Tone or Melody.
P4–P0= 31 meansthat the channel operation is transparent connection.
If the channel operation is Tone or Melody (P4 – P0 = 30) then the subsequent Read will send on the
Data Bus the couplesof Step/Time:
Control Signal
RD
0
0
0
0
:
Data Bus
D4
S14
T14
S24
T24
:
CS
0
0
0
0
:
C/D
0
0
0
0
:
WR
1
1
1
1
:
D7
S17
T17
S27
T27
:
D6
S16
T16
S26
T26
:
D5
S15
T15
S25
T25
:
D3
S13
T13
S23
T23
:
D2
S12
T12
S22
T22
:
D1
S11
T11
S21
T21
:
D0
S10
T10
S20
T20
:
Notes:
–Toneand Melodystatus readingends if anall 1’s Step value is found, otherwisethe readingis cyclic.
–The minimum time from the rising edge of the WR(with opcode) to the falling edge of first RD is 4clock
periods(6clock periodsif E = 1) unless the selectedchannelhasbeen disconnected.In thiscase, one
time framemust existbetweenthe disconnect command and the read status command. The RD period
is minimum 4clock periods(6clock periods if E = 1).
– for both modes (M34116 and M116) the minimum time between two successive rising edges of the
WR with opcode(C/D = 1) is 4clock periods (6clock periods if E = 1).
E: Extrabit indicationin ”O(jiān)peratingmode” instruction.
M34116
12/23
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| M34116C1 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:PCM CONFERENCE CALL AND TONE GENERATION CIRCUIT |
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