82V2042EPF8 IDT, Integrated Device Technology Inc, 82V2042EPF8 Datasheet - Page 39
82V2042EPF8
Manufacturer Part Number
82V2042EPF8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82V2042EPF8.pdf
(83 pages)
Specifications of 82V2042EPF8
Screening Level
Industrial
Mounting
Surface Mount
Package Type
TQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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3.12 MICROCONTROLLER INTERFACES
isters in the device. The chip supports serial microcontroller interface and
two kinds of parallel microcontroller interface: Motorola non-Multiplexed
mode and Intel non-Multiplexed mode. Different microcontroller interfaces
can be selected by setting MODE[1:0] pins to different values. Refer to
MODE1
INTERFACE TIMING CHARACTERISTICS
3.12.1 PARALLEL MICROCONTROLLER INTERFACE
MODE[1:0] pins are set to ‘10’, Parallel-non-Multiplexed-Motorola interface
FUNCTIONAL DESCRIPTION
IDT82V2042E
The microcontroller interface provides access to read and write the reg-
The interface is compatible with Motorola or Intel microcontroller. When
and
MODE0
SCLK
in pin description and
SDO
CS
SDI
A0
Figure-20 Serial Microcontroller Interface Function Timing
A1
address/command byte
remains high impedance
for details
A2
8 MICROCONTROLLER
A3
A4
A5
R/W
DUAL CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
-
39
is selected. When MODE[1:0] pins are set to ‘11’, Parallel-non-Multiplexed-
Intel Interface is selected. Refer to
TIMING CHARACTERISTICS
3.12.2 SERIAL MICROCONTROLLER INTERFACE
mode, the registers are programmed through a 16-bit word which contains
an 8-bit address/command byte (6 address bits A0~A5 and bit R/W) and
an 8-bit data byte (D0~D7). When bit R/W is ‘1’, data is read out from pin
SDO. When bit R/W is ‘0’, data is written into SDI pin. Refer to Figure-20.
D0
D0
When MODE[1:0] pins are set to ‘01’, Serial Interface is selected. In this
D1
D1
output data byte (R/W=1)
input data byte (R/W=0)
D2
D2
D3
D3
D4
D4
D5
D5
for details.
D6
D6
8 MICROCONTROLLER INTERFACE
D7
D7
December 12, 2005
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