AT94K05AL-25AJI Atmel, AT94K05AL-25AJI Datasheet - Page 54
![IC FPSLIC 5K GATE 25MHZ 84PLCC](/photos/6/70/67047/453-84-plcc_sml.jpg)
AT94K05AL-25AJI
Manufacturer Part Number
AT94K05AL-25AJI
Description
IC FPSLIC 5K GATE 25MHZ 84PLCC
Manufacturer
Atmel
Series
FPSLIC®r
Specifications of AT94K05AL-25AJI
Core Type
8-bit AVR
Speed
25MHz
Interface
I²C, UART
Program Sram Bytes
4K-16K
Fpga Sram
2kb
Data Sram Bytes
4K ~ 16K
Fpga Core Cells
256
Fpga Gates
5K
Fpga Registers
436
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
84-PLCC
For Use With
ATSTK594 - BOARD FPSLIC DAUGHTER FOR STK500
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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4.13
54
FPGA Cache Logic
AT94KAL Series FPSLIC
• Bit 0 - EXTRF: External (Software) Reset Flag
This flag is set (one) in three separate circumstances: power-on reset, use of Resetn/AVRRe-
setn and writing a one to the SRST bit in the Software Control Register – SFTCR. The PORF
flag can be checked to eliminate power-on reset as a cause for this flag to be set. There is no
way to differentiate between use of Resetn/AVRResetn and software reset. The flag can only be
cleared (zero) by writing a zero to the EXTRF bit. The bit will not be cleared by the hardware dur-
ing AVR reset.
Table 4-3.
FPGA Cache Data Register – FPGAD
The FPGAD I/O Register address is not supported by a physical register; it is simply the I/O
address that, if written to, generates the FPGA Cache I/O write strobe. The CACHEIOWE signal
is a qualified version of the AVR IOWE signal. It will only be active if an OUT or ST (store to)
instruction references the FPGAD I/O address. The FPGAD I/O address is write-sensitive-only;
an I/O read to this location is ignored. If the AVR Cache Interface bit in the SCR [BIT62] is set
(one), the data being “written” to this address is cached to the FPGA address specified by the
FPGAX..Z registers (see below) during the active CACHEIOWE strobe.
FPGA Cache Z Address Registers – FPGAX..Z
The three FPGA Cache address registers combine to form the 24-bit address, CAC-
HEADDR[23:0], delivered to the FPGA cache logic outside the AVR block during a write to the
FPGAD I/O Register (see above).
Bit
$1B ($3B)
Read/Write
Initial Value
Bit
$18 ($38)
$19 ($39)
$1A ($3A)
Read/Write
Initial Value
SM1
Sleep Mode Select
0
0
1
1
7
MSB
W
N/A
7
FCX7
FCY7
FCT3
R/W
0
N/A
6
W
6
FCX6
FCY6
FCT2
R/W
0
5
W
N/A
5
FCX5
FCY5
FCT1
R/W
0
4
W
N/A
R/W
4
FCX4
FCY4
FCT0
0
SM0
0
1
0
1
3
W
N/A
3
FCX3
FCY3
FCZ3
R/W
0
2
W
N/A
2
FCX2
FCY2
FCZ2
R/W
0
Sleep Mode
Idle
Reserved
Power-down
Power-save
1
W
N/A
1
FCX1
FCY1
FCZ1
R/W
0
0
LSB
W
N/A
0
FCX0
FCY0
FCZ0
R/W
0
1138I–FPSLI–1/08
FPGAD
FPGAX
FPGAY
FPGAZ
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