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參數資料
| 型號： | MT91L60AS |
| 廠商： | Mitel Networks Corporation |
| 元件分類： | Codec |
| 英文描述： | ISO2-CMOS 3 Volt Multi-Featured Codec (MFC) |
| 中文描述： | ISO2 - CMOS三伏多功能的編解碼器（MFC）中 |
| 文件頁數： | 2/20頁 |
| 文件大小： | 166K |
| 代理商： | MT91L60AS |
MT91L60
Advance Information
7-108
Figure 2 - Pin Connections
Pin Description
Pin #
SOIC DIP
Name
Description
1
1
V
Bias
Bias Voltage (Output).
(V
DD
/2) volts is available at this pin for biasing external
amplifiers. Connect 0.1 μF capacitor to V
SSA
.
Reference Voltage for Codec (Output).
Used internally. Connect 0.1 μF capacitor
to V
SSA
.
Power-up Reset (Input).
CMOS compatible input with Schmitt Trigger (active low).
2
2
V
Ref
3
4
PWRST
4
5
IC
Internal Connection.
Tie externally to V
SS
for normal operation.
A/
μ
- When internal control bit DEn = 0 this CMOS level compatible input pin governs
the companding law used by the filter/Codec;
μ
-Law when tied to V
SS
and A-Law
when tied to V
DD
. Logically OR’ed with A/
μ
register bit.
IRQ - When internal control bit DEn = 1 this pin becomes an open-drain interrupt
output signalling valid access to the D-Channel registers in ST-BUS mode.
5
6
A/
μ
/IRQ
6
7
V
SSD
CS
Digital Ground.
Nominally 0 volts.
7
8
Chip Select (Input).
This input signal is used to select the device for microport data
transfers. Active low. CMOS level compatible.
8
10
SCLK
Serial Port Synchronous Clock (Input).
Data clock for microport. CMOS level
compatible.
9
11
DATA 1
Bidirectional Serial Data.
Port for microprocessor serial data transfer. In Motorola/
National mode of operation, this pin becomes the data transmit pin only and data
receive is performed on the DATA 2 pin. Input CMOS level compatible.
10
12
DATA 2
Serial Data Receive.
In Motorola/National mode of operation, this pin is used for
data receive. In Intel mode, serial data transmit and receive are performed on the
DATA 1 pin and DATA 2 is disconnected. Input CMOS level compatible.
M -
VSSA
NC
M +
VBias
VRef
NC
PWRST
IC
VSSD
CS
NC
SCLK
DATA1
DATA2
Din
Dout
HSPKR +
HSPKR -
VDD
CLOCKin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
24
23
22
21
20
19
18
17
A/
μ
/IRQ
STB/F0i
NC
M -
VSSA
HSPKR +
HSPKR -
VDD
CLOCKin
M +
VBias
VRef
PWRST
IC
VSSD
CS
SCLK
DATA1
DATA2
Din
Dout
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
20
19
18
17
A/
μ
/IRQ
STB/F0i
20 PIN SOIC
24 PIN PDIP
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