PIC16F84A-20I/P Microchip Technology, PIC16F84A-20I/P Datasheet - Page 322
![IC MCU FLASH 1KX14 EE 18DIP](/photos/6/76/67657/18-dip_300mil__sml.jpg)
PIC16F84A-20I/P
Manufacturer Part Number
PIC16F84A-20I/P
Description
IC MCU FLASH 1KX14 EE 18DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC16F84A-04P.pdf
(88 pages)
3.PIC16F84A-04P.pdf
(6 pages)
Specifications of PIC16F84A-20I/P
Program Memory Type
FLASH
Program Memory Size
1.75KB (1K x 14)
Package / Case
18-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
POR, WDT
Number Of I /o
13
Eeprom Size
64 x 8
Ram Size
68 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
68 B
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
13
Number Of Timers
1
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000
Minimum Operating Temperature
- 40 C
Data Rom Size
64 B
Height
3.3 mm
Length
22.86 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4 V
Width
6.35 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB16F84A - BOARD DAUGHTER ICEPIC3DVA16XP180 - ADAPTER DEVICE FOR MPLAB-ICEAC164010 - MODULE SKT PROMATEII DIP/SOIC
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F84A-20I/P
Manufacturer:
MICROCHIP
Quantity:
2 300
Part Number:
PIC16F84A-20I/P
Manufacturer:
MIC
Quantity:
20 000
- Current page: 322 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
17.4.14
17.4.14.1 WCOL Status Flag
DS31017A-page 17-46
Stop Condition Timing
A stop bit is asserted on the SDA pin at the end of a receive/transmit by setting the Stop
sequence enable bit, PEN (SSPCON2<2>). At the end of a receive/transmit the SCL line is held
low after the falling edge of the ninth clock. When the PEN bit is set, the master will assert the
SDA line low. When the SDA line is sampled low, the baud rate generator is reloaded and counts
down to 0. When the baud rate generator times out, the SCL pin will be brought high, and one
T
pin is sampled high while SCL is high the P bit (SSPSTAT<4>) is set. A T
is cleared and the SSPIF bit is set
Whenever the firmware decides to take control of the bus, it will first determine if the bus is busy
by checking the S and P bits in the SSPSTAT register. If the bus is busy, then the CPU can be
interrupted (notified) when a Stop bit is detected (i.e. bus is free).
If the user writes the SSPBUF when a STOP sequence is in progress, then the WCOL bit is set
and the contents of the buffer are unchanged (the write doesn’t occur).
Figure 17-31: Stop Condition Receive or Transmit Mode
BRG
SCL
SDA
(baud rate generator rollover count) later, the SDA pin will be de-asserted. When the SDA
Write to SSPCON2
Falling edge of
9th clock
Note: T
ACK
Set PEN
BRG
= one baud rate generator period.
SDA asserted low before rising edge of clock
to setup stop condition.
Preliminary
T
T
BRG
BRG
(Figure
T
SCL brought high after T
BRG
17-31).
SCL = 1 for T
after SDA sampled high. P bit (SSPSTAT<4>) is set
P
T
BRG
BRG
PEN bit (SSPCON2<2>) is cleared by
hardware and the SSPIF bit is set
, followed by SDA = 1 for T
BRG
1997 Microchip Technology Inc.
BRG
later, the PEN bit
BRG
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