PIC16LF77T-I/ML Microchip Technology, PIC16LF77T-I/ML Datasheet - Page 46
![IC MCU FLASH 8KX14 A/D 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC16LF77T-I/ML
Manufacturer Part Number
PIC16LF77T-I/ML
Description
IC MCU FLASH 8KX14 A/D 44QFN
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Specifications of PIC16LF77T-I/ML
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
14KB (8K x 14)
Program Memory Type
FLASH
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Processor Series
PIC16LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
368 B
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
33
Number Of Timers
3 bit
Operating Supply Voltage
2 V to 5.5 V
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
On-chip Adc
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
- Current page: 46 of 174
- Download datasheet (5Mb)
PIC16F7X
5.2
When no prescaler is used, the external clock input is
the same as the prescaler output. The synchronization
of T0CKI, with the internal phase clocks, is accom-
plished by sampling the prescaler output on the Q2 and
REGISTER 5-1:
DS30325B-page 44
Using Timer0 with an External
Clock
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
OPTION_REG REGISTER
Bit Value
bit 7
RBPU: PORTB Pull-up Enable bit (see Section 2.2.2.2)
INTEDG: Interrupt Edge Select bit (see Section 2.2.2.2)
T0CS: TMR0 Clock Source Select bit
1 = Transition on T0CKI pin
0 = Internal instruction cycle clock (CLKOUT)
T0SE: TMR0 Source Edge Select bit
1 = Increment on high-to-low transition on T0CKI pin
0 = Increment on low-to-high transition on T0CKI pin
PSA: Prescaler Assignment bit
1 = Prescaler is assigned to the WDT
0 = Prescaler is assigned to the Timer0 module
PS2:PS0: Prescaler Rate Select bits
Legend:
R = Readable bit
- n = Value at POR reset
Note:
R/W-1
RBPU
000
001
010
011
100
101
110
111
To avoid an unintended device RESET, the instruction sequences shown in
Example 5-1 and Example 5-2 (page 45) must be executed when changing the pres-
caler assignment between Timer0 and the WDT. This sequence must be followed
even if the WDT is disabled.
TMR0 Rate
INTEDG
R/W-1
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
1 : 256
WDT Rate
R/W-1
T0CS
1 : 1
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
W = Writable bit
’1’ = Bit is set
R/W-1
T0SE
Q4 cycles of the internal phase clocks. Therefore, it is
necessary for T0CKI to be high for at least 2Tosc (and
a small RC delay of 20 ns) and low for at least 2Tosc
(and a small RC delay of 20 ns). Refer to the electrical
specification of the desired device.
R/W-1
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
PSA
R/W-1
PS2
2002 Microchip Technology Inc.
x = Bit is unknown
R/W-1
PS1
R/W-1
PS0
bit 0
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