AT94K05AL-25BQU Atmel, AT94K05AL-25BQU Datasheet - Page 124
AT94K05AL-25BQU
Manufacturer Part Number
AT94K05AL-25BQU
Description
IC FPSLIC 5K GATE 25MHZ 144-LQFP
Manufacturer
Atmel
Series
FPSLIC®r
Datasheet
1.AT94K05AL-25AJI.pdf
(204 pages)
Specifications of AT94K05AL-25BQU
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
144-LQFP
For Use With
ATSTK594 - BOARD FPSLIC DAUGHTER FOR STK500
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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4.28.7.4
124
AT94KAL Series FPSLIC
mac16x16_32
Description
Usage
Statistics
Signed multiply-accumulate of two 16-bit numbers with a 32-bit result.
R19:R18:R17:R16 += R23:R22 • R21:R20
Cycles: 23 + ret
Words: 19 + ret
Register usage: R0 to R2 and R16 to R23 (11 registers)
mac16x16_32:
mac16x16_32_method_B:
Size
clr
muls
add
adc
mul
add
adc
adc
adc
mulsu r23, r20
sbc
add
adc
adc
mulsu r21, r22
sbc
add
adc
adc
ret
clr
muls
movw
r2
r23, r21
r18, r0
r19, r1
r22, r20
r16, r0
r17, r1
r18, r2
r19, r2
r19, r2
r17, r0
r18, r1
r19, r2
r19, r2
r17, r0
r18, r1
r19, r2
r2
r23, r21
r5:r4,r1:r0
; Register Usage Optimized
; (signed)ah * (signed)bh
; al * bl
; (signed)ah * bl
; (signed)bh * al
; Sign extend
; uses two temporary registers (r4,r5), Speed /
Optimized
; but reduces cycles/words by 1
; (signed)ah * (signed)bh
1138I–FPSLI–1/08
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