PIC16C712-20/P Microchip Technology, PIC16C712-20/P Datasheet - Page 33

• Manufacturer Part Number: PIC16C712-20/P
• Description: IC MCU OTP 1KX14 A/D PWM 18DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C712-20/P

• Core Size: 8-Bit
• Program Memory Size: 1.75KB (1K x 14)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Core Processor: PIC
• Speed: 20MHz
• Number Of I /o: 13
• Program Memory Type: OTP
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 18-DIP (0.300", 7.62mm)
• Controller Family/series: PIC16C
• No. Of I/o's: 13
• Ram Memory Size: 128Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TABLE 5-1
Off
Timer
Counter
Module
TMR1
Mode
1999 Microchip Technology Inc.
N/A
Fosc/4
External circuit
Firmware
Timer1 oscillator T1CON = --xx 1x11
Clock Source
TMR1 MODULE AND PORTB OPERATION
T1CON = --xx 0x00
T1CON = --xx 0x01
T1CON = --xx 0x11
TR1SCCP = ---- -x-1
T1CON = --xx 0x11
TR1SCCP = ---- -x-0
Control Bits
Preliminary
Off
TMR1 module uses the main
oscillator as clock source.
TMR1ON can turn on or turn off
Timer1.
TMR1 module uses the external
signal on the
RB1/T1OSO/T1CKI pin as a
clock source. TMR1ON can turn
on or turn off Timer1. DT1CK
can read the signal on the
RB1/T1OSO/T1CKI pin.
DATACCP<0> bit drives
RB1/T1OSO/T1CKI and pro-
duces the TMR1 clock source.
TMR1ON can turn on or turn off
Timer1. The DATACCP<0> bit,
DT1CK, can read and write to
the RB1/T1OSO/T1CKI pin.
RB1/T1OSO/T1CKI and
RB2/T1OSI are configured as a
2 pin crystal oscillator.
RB1/T1OSI/T1CKI is the clock
input for TMR1. TMR1ON can
turn on or turn off Timer1.
DATACCP<1> bit, DT1CK,
always reads 0 as input and can
not write to the
RB1/T1OSO/T1CK1 pin.
TMR1 Module Operation
PIC16C712/716
PORTB<2:1> function as normal
I/O
PORTB<2:1> function as normal
I/O
PORTB<2> functions as normal
I/O. PORTB<1> always reads 0
when configured as input . If
PORTB<1> is configured as out-
put, reading PORTB<1> will read
the data latch. Writing to
PORTB<1> will always store the
result in the data latch, but not to
the RB1/T1OSO/T1CKI pin. If
the TMR1CS bit is cleared
(TMR1 reverts to the timer
mode), then pin PORTB<1> will
be driven with the value in the
data latch.
PORTB<2:1> always read 0
when configured as inputs. If
PORTB<2:1> are configured as
outputs, reading PORTB<2:1>
will read the data latches. Writing
to PORTB<2:1> will always store
the result in the data latches, but
not to the RB2/T1OSI and
RB1/T1OSO/T1CKI pins. If the
TMR1CS and T1OSCEN bits are
cleared (TMR1 reverts to the
timer mode and TMR1 oscillator
is disabled), then pin
PORTB<2:1> will be driven with
the value in the data latches.
PORTB<2:1> Operation
DS41106A-page 33