AT94K05AL ATMEL Corporation, AT94K05AL Datasheet - Page 103

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AT94K05AL

Manufacturer Part Number
AT94K05AL
Description
Fpslic Devices Combine 5K Gates of Atmel's Patented AT40K Fpga Architecture, a 20 Mips Avr 8-bit Risc Microprocessor Core, Numerous Fixed Microcontroller Peripheries And up to 36K Bytes of Program And Data SRAM.
Manufacturer
ATMEL Corporation
Datasheet

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Rev. 1138F–FPSLI–06/02
Figure 56. Effects on Unsynchronized OCR1 Latching
Note:
Figure 57. 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 out-
put 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 Table 31. In overflow
PWM mode, the output OC1A/OC1B is held Low or High only when the Output Compare Reg-
ister 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
Compare Value Changes
Compare Value Changes
AT94K Series FPSLIC
Glitch
PWM Output OC1x
PWM Output OC1x
Compare Value
Counter Value
PWM OutputOC1X
Counter Value
Compare Value
PWM OutputOC1X
(1)
(1)
(1)
(1)
103

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