PIC16C770-E/SO Microchip Technology, PIC16C770-E/SO Datasheet - Page 54
PIC16C770-E/SO
Manufacturer Part Number
PIC16C770-E/SO
Description
IC MCU OTP 2KX14 A/D PWM 20SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheets
1.PIC16C770-ISO.pdf
(220 pages)
2.PIC16C770-ISO.pdf
(6 pages)
3.PIC16C770-ISO.pdf
(8 pages)
Specifications of PIC16C770-E/SO
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 6x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-SOIC (7.5mm Width)
For Use With
AC164028 - MODULE SKT PROMATEII 20SOIC/DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
PIC16C770E/SO
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PIC16C717/770/771
7.2
The Timer2 module has an 8-bit period register PR2.
Timer2 increments from 00h until it matches PR2 and
then resets to 00h on the next increment cycle. PR2 is
a readable and writable register. The PR2 register is
initialized to FFh upon RESET.
7.3
The output of TMR2 (before the postscaler) is fed to the
Synchronous Serial Port module which optionally uses
it to generate shift clock.
TABLE 7-1:
DS41120B-page 52
Address
0Bh,8Bh,
10Bh,18Bh
0Ch
8Ch
11h
12h
92h
Legend:
Timer2 Interrupt
Output of TMR2
x = unknown, u = unchanged, - = unimplemented read as ’0’. Shaded cells are not used by the Timer2 module.
Name
INTCON
PIR1
PIE1
TMR2
T2CON
PR2
REGISTERS ASSOCIATED WITH TIMER2 AS A TIMER/COUNTER
Timer2 register
Timer2 Period Register
Bit 7
GIE
—
—
—
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0 -000 0000 -000 0000
Bit 6
PEIE
ADIF
ADIE
Bit 5
T0IE
—
—
INTE
Bit 4
—
—
SSPIE
SSPIF
RBIE
Bit 3
FIGURE 7-1:
Note:
Sets flag
bit TMR2IF
CCP1IF
CCP1IE
Postscaler
1:1
Bit 2
T0IF
to
TMR2 register output can be software
selected by the SSP Module as a baud
clock.
1:16
4
TMR2
output (1)
TMR2IE
TMR2IF
RESET
Bit 1
INTF
EQ
Comparator
Timer2 Block Diagram
TMR2 reg
PR2 reg
TMR1IE
TMR1IF
RBIF
Bit 0
2002 Microchip Technology Inc.
0000 000x 0000 000u
-0-- 0000 -0-- 0000
-0-- 0000 -0-- 0000
0000 0000 0000 0000
1111 1111 1111 1111
Value on:
1:1, 1:4, 1:16
POR,
BOR
Prescaler
2
Value on
RESETS
all other
Fosc/4
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