AT91M40400-25C ATMEL Corporation, AT91M40400-25C Datasheet - Page 10
AT91M40400-25C
Manufacturer Part Number
AT91M40400-25C
Description
16/32-bit Microcontroller, 2.7V to 3.6V Operating Range
Manufacturer
ATMEL Corporation
Datasheet
1.AT91M40400-25C.pdf
(116 pages)
- Current page: 10 of 116
- Download datasheet (2Mb)
Pin Description
The following table shows how certain EBI signals are multiplexed:
Name
A0 - A23
D0 - D15
NCS0 - NCS3
CS4 - CS7
NRD
NWR0 - NWR1
NOE
NWE
NUB, NLB
NWAIT
Multiplexed Signals
A23 - A20
A0
NRD
NWR0
NWR1
10
CS4 - CS7
NLB
NOE
NWE
NUB
AT91M40400
Description
Address bus (output)
Data bus (input/output)
Active low chip selects (output)
Active high chip selects (output)
Read Enable (output)
Lower and upper write enable (output)
Output enable (output)
Write enable (output)
Upper and lower byte select (output)
Wait request (input)
Functions
Allows from 4 to 8 chip select lines to be used.
8- or 16-bit data bus
Byte-write or byte select access
Byte-write or byte select access
Byte-write or byte select access
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
I/O
Related parts for AT91M40400-25C
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
High-performance EE PLD
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
2-Wire Serial EEPROM
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
U6046BREAR WINDOW HEATING TIMER / LONG-TERM TIMER
Manufacturer:
ATMEL Corporation
Datasheet: