T48C893 datasheet(36/82 Pages) ATMEL

Part #	T48C893

Description	The multiple times programmable (MTP) version for the MARC4 ROM types

PDF	82 Pages

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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36 / 82 page

T48C893

Rev. A4, 22-Jan-02

36 (82)

Timer 2 output mode 1:

Toggle mode B:

a Timer 2 compare match toggles the output flip-flop (M2) –> T2O

000123

567

0123

Input

Counter 2

T2R

Counter 2

CMx

INT4

T2O

13782

Toggle

by start

T2O

4095/

255

Figure 36. Pulse generator – the timer output toggles with the timer start if the T2TS-bit is set

Timer 2 output mode 1:

Toggle mode C:

a Timer 2 compare match toggles the output flip-flop (M2) –> T2O

000123

567

0123

Input

Counter 2

T2R

Counter 2

CMx

OVF2

INT4

13783

T2O

4095/

255

Figure 37. Pulse generator – the timer toggles with timer overflow and compare match

Timer 2 output mode 2:

Duty cycle burst generator 1:

the DCG output signal (DCGO) is given to the output, and gated by the output

flip-flop (M2)

1 2012 01234 50120 1234 5678 0123 45678 9 10 012 345

DCGO

Counter 2

TOG2

T2O

Counter = compare register (=2)

13784

Figure 38. Carrier frequency burst modulation with Timer 2 toggle flip-flop output

T48C893 Datasheet(PDF) 36 Page - ATMEL Corporation

T48C893 Datasheet(HTML) 36 Page - ATMEL Corporation

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