AT91FR40162S ATMEL Corporation, AT91FR40162S Datasheet - Page 3

• Manufacturer Part Number: AT91FR40162S
• Description: MicroControllers
• Manufacturer: ATMEL Corporation

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DataSheet
3. Pin Description
Table 3-1.
6174AS–ATARM–25-May-05
Module
USART
Reset
Timer
Clock
4
PIO
EBI
AIC
WD
ICE
U
.com
Name
A0 - A23
D0 - D15
NCS0 - NCS3
CS4 - CS7
NWR0
NWR1
NRD
NWE
NOE
NUB
NLB
NWAIT
BMS
FIQ
IRQ0 - IRQ2
TCLK0 - TCLK2
TIOA0 - TIOA2
TIOB0 - TIOB2
SCK0 - SCK1
TXD0 - TXD1
RXD0 - RXD1
P0 - P31
NWDOVF
MCKI
MCKO
NRST
NTRI
TMS
TDI
TDO
TCK
AT91FR40162S Pin Description
Function
Address Bus
Data Bus
External Chip Select
External Chip Select
Lower Byte 0 Write Signal
Upper Byte 1 Write Signal
Read Signal
Write Enable
Output Enable
Upper Byte Select
Lower Byte Select
Wait Input
Boot Mode Select
Fast Interrupt Request
External Interrupt Request
Timer External Clock
Multi-purpose Timer I/O Pin A
Multi-purpose Timer I/O Pin B
External Serial Clock
Transmit Data Output
Receive Data Input
Parallel IO Line
Watchdog Overflow
Master Clock Input
Master Clock Output
Hardware Reset Input
Tri-state Mode Select
Test Mode Select
Test Data Input
Test Data Output
Test Clock
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
Active
Level
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
A23 - A20 after reset
Used in Byte Write option
PIO-controlled after reset
Open drain
Sampled during reset
Comments
Valid after reset; do not reprogram A20 to
I/O, as it is MSB of Flash address
Used to select external devices
Used in Byte Write option
Used in Byte Write option
Used in Byte Select option
Used in Byte Select option
Used in Byte Select option
Used in Byte Select option
Sampled during reset; must be driven low
during reset for Flash to be used as boot
memory
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
Schmidt trigger
Schmidt trigger
Schmidt trigger, internal pull-up
Schmidt trigger, internal pull-up
Schmidt trigger, internal pull-up
AT91FR40162S
3