PIC16C774-E/L Microchip Technology, PIC16C774-E/L Datasheet - Page 42

• Manufacturer Part Number: PIC16C774-E/L
• Description: IC MCU OTP 4KX14 A/D PWM 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C774-E/L

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: OTP
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 10x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-PLCC
• For Use With: DVA16XL441 - ADAPTER DEVICE ICE 44PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: PIC16C774E/L

PIC16C77X
5.1.1
In this mode, Timer1 is being incremented via an exter-
nal source. Increments occur on a rising edge. After
Timer1 is enabled in counter mode, the module must
first have a falling edge before the counter begins to
increment.
FIGURE 5-2:
FIGURE 5-3:
DS30275A-page 42
Note 1: When the T1OSCEN bit is cleared, the inverter and feedback resistor are turned off. This eliminates power drain.
RC0/T1OSO/T1CKI
RC1/T1OSI
T1CKI
(Default high)
T1CKI
(Default low)
Note: Arrows indicate counter increments.
TIMER1 COUNTER OPERATION
Set flag bit
TMR1IF on
Overflow
TIMER1 INCREMENTING EDGE
TIMER1 BLOCK DIAGRAM
TMR1H
T1OSC
TMR1
TMR1L
Oscillator
Enable
T1OSCEN
Advance Information
(1)
Clock
F
Internal
OSC
TMR1ON
/4
on/off
TMR1CS
1
0
T1CKPS1:T1CKPS0
T1SYNC
Prescaler
1, 2, 4, 8
0
1
2
Synchronized
clock input
1999 Microchip Technology Inc.
Synchronize
SLEEP input
det