AT94K40AL-25DQC Atmel, AT94K40AL-25DQC Datasheet - Page 122
AT94K40AL-25DQC
Manufacturer Part Number
AT94K40AL-25DQC
Description
IC FPSLIC 40K GATE 25MHZ 208PQFP
Manufacturer
Atmel
Series
FPSLIC®r
Specifications of AT94K40AL-25DQC
Core Type
8-bit AVR
Speed
18MHz
Interface
I²C, UART
Program Sram Bytes
20K-32K
Fpga Sram
18kb
Data Sram Bytes
4K ~ 16K
Fpga Core Cells
2304
Fpga Gates
40K
Fpga Registers
2862
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C
Package / Case
208-MQFP, 208-PQFP
For Use With
ATSTK594 - BOARD FPSLIC DAUGHTER FOR STK500
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT94K40AL-25DQC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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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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