AT94K05AL-25BQX Atmel, AT94K05AL-25BQX Datasheet - Page 25
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AT94K05AL-25BQX
Manufacturer Part Number
AT94K05AL-25BQX
Description
Manufacturer
Atmel
Datasheet
1.AT94K05AL-25BQX.pdf
(204 pages)
Specifications of AT94K05AL-25BQX
Device System Gates
5000
Propagation Delay Time
12.1ns
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Commercial
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Mounting
Surface Mount
Pin Count
144
Package Type
LQFP
Lead Free Status / RoHS Status
Compliant
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3.4.2
1138I–FPSLI–1/08
A Side
The A side is partitioned into Program memory and Data memory:
Table 3-1.
• Program memory is 16-bit words.
• Program memory address $0000 always starts in the highest two SRAMs (n - 1, n) [SRAMn -
• System configuration determines the higher addresses for program memory:
• Extended program memory is always lost to extended data memory from SRAM2/3 down to
• Data memory is 8-bit words.
• Data memory address $0000 always starts in SRAM0 (SRAM labels are for layout, the
• System configuration determines the higher address for data memory:
• Extended data memory is always lost to extended program memory from SRAM7 up to
1 (low byte) and SRAMn (high byte)] (SRAM labels are for layout, the addressing scheme is
transparent to the AVR PC).
SRAM6/7, see
addressing scheme is transparent to AVR data read/write).
SRAM2 in 2 x SRAM blocks, see
– SCR bits 41 = 0 : 40 = 0, program memory extended from $2800 - $3FFF
– SCR bits 41 = 0 : 40 = 1, program memory extended from $2800 - $37FF
– SCR bits 41 = 1 : 40 = 0, program memory extended from $2800 - $2FFF
– SCR bits 41 = 1 : 40 = 1, no extra program memory
– SCR bits 41 = 0 : 40 = 0, no extra data memory
– SCR bits 41 = 0 : 40 = 1, data memory extended from $1000 - $1FFF
– SCR bits 41 = 1 : 40 = 0, data memory extended from $1000 - $2FFF
– SCR bits 41 = 1 : 40 = 1, data memory extended from $1000 - $3FFF
Address Range
$3FFF - $3800
$3FFF - $3800
$2FFF - $2800
$2FFF - $2800
$1FFF - $1800
$1FFF - $1800
$0FFF - $0800
$0FFF - $0800
$37FF - $3000
$37FF - $3000
$27FF - $2000
$27FF - $2000
$17FF - $1000
$17FF - $1000
$07FF - $0000
$07FF - $0000
AVR Program Decode for SRAM 2:7 (16K16)
Table
3-1.
Table
3-2.
SRAM
n = 17
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
AT94KAL Series FPSLIC
Comments
CR41:40 = 00
CR41:40 = 00,01
CR41:40 = 00,01,10
AVR Program Read-only
AVR Program Read-only
AVR Program Read-only
AVR Program Read-only
AVR Program Read-only
AVR Program Read-only
AVR Program Read-only
AVR Program Read-only
AVR Program Read-only
AVR Program Read-only
25
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