PIC16C65B-04I/PQ Microchip Technology, PIC16C65B-04I/PQ Datasheet - Page 3

• Manufacturer Part Number: PIC16C65B-04I/PQ
• Description: IC MCU OTP 4KX14 PWM 44-MQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C65B-04I/PQ

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• 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: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-MQFP, 44-PQFP
• Processor Series: PIC16C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 192 B
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000, DM163022
• Minimum Operating Temperature: - 40 C
• Height: 2 mm
• Length: 10 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3.65 V
• Width: 10 mm
• For Use With: 309-1002 - ADAPTER 44-PQFP TO 40-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

3.
1999 Microchip Technology Inc.
Module: TMR1
When operating in external clock mode (TMR1CS is
set), reading either of the timer 1 registers (TMR1H
or TMR1L) may cause the timer not to increment as
expected. This occurs for both synchronous and
asynchronous inputs.
The scenarios which display this are:
• When a read operation of the TMR1H register
• When a read operation of the TMR1L register
Work Around
Do not read either the TMR1H or the TMR1L regis-
ters when operating in external clock mode
(TMR1CS is set). If the application needs to read the
16-bit counter, evaluate if this function can be moved
to the TMR0 or one of the other timer resources on
the device.
occurs, the TMR1L register may not increment.
occurs, the TMR1H register may not increment.
This improper operation is only an issue when
the TMR1L register increments from FFh to 00h
(FFh
ister.
00H) during the read of the TMR1L reg-
PIC16C65B
DS80014B-page 3