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M32000D3FP Datasheet(Fiches technique) 6 Page - Mitsubishi Electric Semiconductor

Numéro de pièce M32000D3FP
Description  SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER  
Télécharger  45 Pages
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Fabricant  MITSUBISHI [Mitsubishi Electric Semiconductor]
Site Internet  http://www.mitsubishichips.com
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SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
M32000D3FP
6
PIN DESCRIPTION (1/3)
type
pin name
name
I/O
function
power
VCC
power source
All power source pins should be connected to VCC.
source
VSS
ground
All ground pins should be connected to VSS.
clock
CLKIN
clock input
input
Clock input pin. The M32000D3FP has an internal PLL multiplier
circuit, and an input clock which is 1/4 of the internal operating
frequency (when the internal operating frequency is 66.6 MHz,
the CLKIN input is 16.65 MHz).
PLLCAP
C connection
Connects a capacitor for the internal PLL.
for PLL
PLLVCC
power source
Power source for the internal PLL.
for PLL
PLLVSS
ground
Ground for the internal PLL.
for PLL
system
____
RST
reset
input
Internally resets the M32000D3FP. It is also used to return from
control
standby mode and CPU sleep mode.
_
M/S
master/slave
input
Sets the M32000D3FP default operation to either system bus
master (M/S = "H") or bus slave (M/S = "L").
When the M32000D3FP is set to bus slave, it does not carry out
a reset vector entry fetch after a reset.
_
The setting of M/S cannot be changed during operation.
Keep at either an "H" or an "L" level.
______
WKUP
wakeup
input
Input pin to request return from standby mode.
_____
This is only accepted when STBY is "L" level.
It generates the wakeup interrupt.
_____
STBY
standby
output
Indicates that the M32000D3FP has switched to standby mode.
An "L" level is output while the device is in standby mode.
address
A8 to A30
address bus
I/O
The M32000D3FP has a 24-bit address (A8 to A31) bus for a 16 MB
bus
address space. A31 is not output. During the write cycle, the
____
valid byte positions on the 16-bit data bus are output as BCH or
____
BCL. During the read cycle, the 16-bit data bus is read, however,
only data in the valid byte positions is transferred to the
M32000D3FP.
Address bus pins are bidirectional. When accessing the internal
DRAM from an external bus master while the M32000D3FP is in
the hold state, input the address from the system bus side.
data bus
D0 to D15
data bus
I/O
16-bit data bus for connecting to external devices.
(Hi-z)*
* (Hi-z): This pin goes to high-impedance in the hold state.
(Hi-z)*




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