AT91FR40162SB-CU-999 Atmel, AT91FR40162SB-CU-999 Datasheet - Page 23
AT91FR40162SB-CU-999
Manufacturer Part Number
AT91FR40162SB-CU-999
Description
IC MCU 32BIT RISC 121BGA
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91FR40162SB-CU-999
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
Data Bus Width
32 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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11.2
Table 11-1.
The following table shows how certain EBI signals are multiplexed:
Table 11-2.
6410B–ATARM–12-Jan-10
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 11-1. 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
Low
Low
Low
Low
Hi
Hi
Hi
Hi
Base + 4M Bytes
Base + 3M Bytes
Base + 2M Bytes
Base + 1M Bytes
Base
AT91FR40162SB
Repeat 3
Repeat 2
Repeat 1
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
I/O
23
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