AT94K40AL-25DQC Atmel, AT94K40AL-25DQC Datasheet - Page 109
![IC FPSLIC 40K GATE 25MHZ 208PQFP](/photos/6/73/67311/313-208-pqfp_sml.jpg)
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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1138I–FPSLI–1/08
Figure 4-33. Effects on Unsynchronized OCR1 Latching
Note:
Figure 4-34. Effects of Unsynchronized OCR1 Latching in Overflow Mode
Note:
During the time between the write and the latch operation, a read from OCR1A or OCR1B will
read the contents of the temporary location. This means that the most recently written value
always will read out of OCR1A/B.
When the OCR1X contains $0000 or TOP, and the up/down PWM mode is selected, the output
OC1A/OC1B is updated to Low or High on the next compare match according to the settings of
COM1A1/COM1A0 or COM1B1/COM1B0. This is shown in
the output OC1A/OC1B is held Low or High only when the Output Compare Register contains
TOP.
Compare Value Changes
1. X = A or B
1. X = A or B
Unsynchronized
Synchronized
Unsynchronized OC1x
Compare Value Changes
Synchronized OC1x
OCR1X
OCR1X
(1)
(1)
(1)
Latch
Latch
(1)
Latch
Latch
AT94KAL Series FPSLIC
Compare Value Changes
Compare Value Changes
Glitch
Table
4-22. In overflow PWM mode,
PWM Output OC1x
PWM Output OC1x
Compare Value
Counter Value
PWM OutputOC1X
Counter Value
Compare Value
PWM OutputOC1X
(1)
(1)
(1)
(1)
109
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