參數(shù)資料
型號(hào)： DM336P
廠商： Electronic Theatre Controls, Inc.
英文描述： V.34 Integrated Data/ Fax/Voice/Speakerphone Modem Device Set
中文描述： .34綜合數(shù)據(jù)/傳真/語(yǔ)音/揚(yáng)聲器調(diào)制解調(diào)器設(shè)備集
文件頁(yè)數(shù)： 6/40頁(yè)
文件大小： 341K
代理商： DM336P
DM336P
V.34 Integrated Data/ Fax/Voice/Speakerphone Modem Device Set
6
Final
Version: DM336P-DS-F02
August 15, 2000
DM6383 Pin Description
Pin No.
1 - 8
Pin Name
UD0 - UD7
I/O
I/O
Description
Data Bus Signal
, in internal modem:
These signals are connected to the data bus of the PC I/O slot.
They are used to transfer data between the PC and the DM6383.
Modem Control Output
, in external Modem:
Memory address mapping of the controller is E800H.
I/O Read
:
An active low signal used to read data from the DM6383.
Ground
I/O Write:
An active low signal used to write data to DM6383.
Address Enable:
This is an active low signal to enable the system address for
DM6383.
System Address:
These signals are connected to the bus of PC I/O slot. They are
used to select DM6383 I/O ports.
+5V Power Supply
9
/IOR
I
10
11
GND
/IOW
P
I
12
/AEN
I
13 - 24
A11 - A0
I
25, 36, 52,
100
26, 27, 28,
29, 33 - 35
VDD
P
IRQ4, IRQ5,
IRQ7, IRQ10,
IRQ11, IRQ12,
IRQ15
O
Interrupt Request:
These are 8 interrupt request pins. Only one pin, which is decoded
from Configuration Register, can be activated, the other pins are
left floating. The active pin will go high when an interrupt request is
generated from the DM6383.
Reset:
An active high signal used to power-on reset the DM6383.
Crystal Oscillator Input
Crystal Oscillator Output
Test Pin
(see description of pin 99)
External ROM Select:
Should be connected to low state.
RX DSP Register Select Output:
Memory address mapping of the controller is E400H.
Bank Switch Control:
This signal is used to switch external program memory between
bank 0 (lower 64K bytes) and bank 1 (upper 64K bytes) when the
EPROM for system use is 27010 (128Kx8 bits). Otherwise, this pin
is not connected.
Ground
Controller Counter 0 Input
Controller Counter 1 Input
Ring Signal Input
Controller Port 1 I/O
30
RESET
I
31
32
37
38
XTAL1
XTAL2
TEST2
EAB/VP
I
O
I
I
39
/RUCS
O
40
CA16
O
41, 68, 85, 96
42
43
44
45, 46,
48 - 51
GND
T0
T1
/RI
P
I
I
I
I/O
P1.1, P1.2,
P1.4 - P1.7
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