PIC16F648A-I/SO Microchip Technology, PIC16F648A-I/SO Datasheet - Page 48
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PIC16F648A-I/SO
Manufacturer Part Number
PIC16F648A-I/SO
Description
IC MCU FLASH 4KX14 EEPROM 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F627A-IP.pdf
(180 pages)
3.PIC16F627A-IP.pdf
(8 pages)
4.PIC16F627A-IP.pdf
(22 pages)
5.PIC16F627A-ISO.pdf
(168 pages)
Specifications of PIC16F648A-I/SO
Program Memory Type
FLASH
Program Memory Size
7KB (4K x 14)
Package / Case
18-SOIC (7.5mm Width)
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SCI/USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
3
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
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014, DM164120-4
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT18SO-1 - SOCKET TRANSITION 18SOIC 300MILI3DBF648 - BOARD DAUGHTER ICEPIC3AC164010 - MODULE SKT PROMATEII DIP/SOIC
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F648A-I/SO
Manufacturer:
MICROCHIP
Quantity:
4 500
PIC16F627A/628A/648A
6.3
An 8-bit counter is available as a prescaler for the
Timer0 module, or as a postscaler for the Watchdog
Timer. A prescaler assignment for the Timer0 module
means that there is no postscaler for the Watchdog
Timer, and vice-versa.
FIGURE 6-1:
DS40044B-page 46
WDT ENABLE BIT
WATCHDOG
T0CKI
PIN
TIMER
Timer0 Prescaler
Note:
F
OSC
/4
T0SE, T0CS, PSA, PS0-PS2 are bits in the Option Register.
T0SE
BLOCK DIAGRAM OF THE TIMER0/WDT
TMR1 Clock Source
PSA
0
1
.
T0CS
0
1
WDT POSTSCALER/
TMR0 PRESCALER
8-TO-1MUX
Preliminary
8
PSA
PSA
1
0
1
0
The PSA and PS2:PS0 bits (OPTION<3:0>) determine
the prescaler assignment and prescale ratio.
When assigned to the Timer0 module, all instructions
writing
MOVWF 1,
prescaler. When assigned to WDT, a CLRWDT instruc-
tion will clear the prescaler along with the Watchdog
Timer. The prescaler is not readable or writable.
TIME OUT
WDT
to
CYCLES
PS0 - PS2
SYNC
2
the
BSF 1,
TMR0
2004 Microchip Technology Inc.
x....etc.) will clear the
TMR0 REG
DATA BUS
register
8
SET FLAG BIT T0IF
ON OVERFLOW
(e.g.,
CLRF 1,