5962-0054001VXC Ver la hoja de datos (PDF) - Atmel Corporation
Número de pieza
componentes Descripción
Fabricante
5962-0054001VXC Datasheet PDF : 42 Pages
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Table 1. Pin Descriptions (Continued)
Signal
Type
Active Description
OE
O
Low Memory output enable
BUFFEN
O
Low Data buffer enable
DDIR
O
High Data buffer direction
DDIR
O
Low Data buffer direction
IOSEL[3:0]
O
Low I/O chip select
IOWR
O
Low I/O and exchange memory write strobe
EXMCS
O
Low Exchange memory chip select
BUSRDY
I
Low Bus ready
BUSERR
I
Low Bus error
DMAREQ
I
Low DMA request
DMAGNT
O
Low DMA grant
DMAAS
I
High DMA address strobe
DRDY
O
Low Data ready during DMA access
IUERR
O
Low IU error
CPUHALT
O
Low Processor (IU & FPU) halt and freeze
SYSERR
O
Low System error
SYSHALT
I
Low System halt
SYSAV
O
High System availability
NOPAR
I
Low No parity
INULL
O
High Integer unit nullify cycle
INST
O
High Instruction fetch
FLUSH
O
High FPU instruction flush
DIA
O
High Delay instruction annulled
RTC
O
High Real Time Clock Counter output
RxA/RxB
I
Receive data UART ’A’ and ’B’
TxA/TxB
O
Transmit data UART ’A’ and ’B’
GPI[7:0]
I/O
GPI input/output
GPIINT
O
High GPI interrupt
EXTINT[4:0]
I
External interrupt
EXTINTACK
O
High External interrupt acknowledge
IWDE
I
High Internal watch dog enable
EWDINT
I
High External watch dog input interrupt
WDCLK
I
Watch dog clock
CLK2
I
Double frequency clock
SYSCLK
O
System clock
RESET
O
Low Output reset
SYSRESET
I
Low System input reset
TMODE[1:0]
I
Factory test mode
DEBUG
I
High Software debug mode
TCK
I
Test (JTAG) clock
TRST
I
Low Test (JTAG) reset
TMS
I
Test (JTAG) mode select
TDI
I
Test (JTAG) data input
TDO
O
Test (JTAG) data output
VCCI/VSSI
Main internal power
VCCO/VSSO
Output driver power
Note: If not specified, the output buffer type is 150 pF, the input buffer type is TTL.
4118J–AERO–08/04
TSC695F
Output buffer: 400 pF
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Used to check the execute
stage of IU
instruction pipeline
-
Input trigger
-
Input trigger
-
Input trigger
-
-
Input trigger
-
-
-
-
Input trigger
Functional mode=00
-
-
pull-up ≈ 37 kΩ
pull-up ≈ 37 kΩ
pull-up ≈ 37 kΩ
-
-
-
3
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