AT94K05AL-25BQI Atmel, AT94K05AL-25BQI Datasheet - Page 122
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AT94K05AL-25BQI
Manufacturer Part Number
AT94K05AL-25BQI
Description
IC FPSLIC 5K GATE 25MHZ 144LQFP
Manufacturer
Atmel
Series
FPSLIC®r
Specifications of AT94K05AL-25BQI
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
Contains lead / RoHS non-compliant
Eeprom Size
-
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4.28.7.2
122
AT94KAL Series FPSLIC
mul16x16_32
Description
Usage
Statistics
Note:
Unsigned multiply of two 16-bit numbers with a 32-bit result.
R19:R18:R17:R16 = R23:R22 • R21:R20
Cycles: 17 + ret
Words: 13 + ret
Register usage: R0 to R2 and R16 to R23 (11 registers)
mul16x16_32:
clr
mul
movw
mul
movw
mul
add
adc
adc
mul
add
adc
adc
ret
1. Full orthogonality, i.e., any register pair can be used as long as the result and the two oper-
ands do not share register pairs. The routine is non-destructive to the operands.
r2
r23, r21
r19:r18, r1:r0
r22, r20
r17:r16, r1:r0
r23, r20
r17, r0
r18, r1
r19, r2
r21, r22
r17, r0
r18, r1
r19, r2
; ah * bh
; al * bl
; ah * bl
; bh * al
(1)
1138I–FPSLI–1/08
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