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PIC16F1946 Scheda tecnica(PDF) 209 Page - Microchip Technology

Il numero della parte PIC16F1946
Spiegazioni elettronici  64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology
PDF  448 Pages
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F1946 Scheda tecnica(HTML) 209 Page - Microchip Technology

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 2010-2011 Microchip Technology Inc.
Preliminary
DS41414C-page 209
PIC16(L)F1946/1947
22.0
TIMER2/4/6 MODULES
There are up to three identical Timer2-type modules
available. To maintain pre-existing naming conventions,
the Timers are called Timer2, Timer4 and Timer6 (also
Timer2/4/6).
The Timer2/4/6 modules incorporate the following
features:
• 8-bit Timer and Period registers (TMRx and PRx,
respectively)
• Readable and writable (both registers)
• Software programmable prescaler (1:1, 1:4, 1:16
and 1:64)
• Software programmable postscaler (1:1 to 1:16)
• Interrupt on TMRx match with PRx, respectively
• Optional use as the shift clock for the MSSPx
modules (Timer2 only)
See Figure 22-1 for a block diagram of Timer2/4/6.
FIGURE 22-1:
TIMER2/4/6 BLOCK DIAGRAM
Note:
The ‘x’ variable used in this section is
used to designate Timer2, Timer4, or
Timer6. For example, TxCON references
T2CON, T4CON or T6CON. PRx refer-
ences PR2, PR4 or PR6.
Comparator
TMRx
Sets Flag
TMRx
Output
Reset
Postscaler
Prescaler
PRx
2
FOSC/4
1:1 to 1:16
1:1, 1:4, 1:16, 1:64
EQ
4
bit TMRxIF
TxOUTPS<3:0>
TxCKPS<1:0>



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