AT91FR40162S-CJ Atmel, AT91FR40162S-CJ Datasheet - Page 21

• Manufacturer Part Number: AT91FR40162S-CJ
• Description: IC ARM MCU FLASH 1K 121BGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91FR40162S-CJ

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 75MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: WDT
• Number Of I /o: 32
• Program Memory Size: 2MB (1M x 16)
• Program Memory Type: FLASH
• Ram Size: 256K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 121-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

10.2
Table 10-1.
The following table shows how certain EBI signals are multiplexed:
Table 10-2.
6174B–ATARM–07-Nov-05
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
External Bus Interface Pin Description
EBI Pin Description
EBI Signals
NLB
NOE
NWE
NUB
CS4 - CS7
Figure 10-1. External Memory Smaller than Page Size
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)
Memory
Map
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
1M Byte Device
1M Byte Device
1M Byte Device
1M Byte Device
AT91FR40162S Preliminary
Low
Low
Low
Low
Hi
Hi
Hi
Hi
Base + 4M Bytes
Base + 3M Bytes
Base + 2M Bytes
Base + 1M Bytes
Base
Repeat 3
Repeat 2
Repeat 1
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
I/O
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