PIC16F84A-20I/SS Microchip Technology, PIC16F84A-20I/SS Datasheet - Page 302
![IC MCU FLASH 1KX14 EE 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
PIC16F84A-20I/SS
Manufacturer Part Number
PIC16F84A-20I/SS
Description
IC MCU FLASH 1KX14 EE 20SSOP
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/SS
Core Size
8-Bit
Program Memory Size
1.75KB (1K x 14)
Core Processor
PIC
Speed
20MHz
Peripherals
POR, WDT
Number Of I /o
13
Program Memory Type
FLASH
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
Package / Case
20-SSOP
Controller Family/series
PIC16F
No. Of I/o's
13
Eeprom Memory Size
64Byte
Ram Memory Size
68Byte
Cpu Speed
20MHz
No. Of Timers
1
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
8
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
Minimum Operating Temperature
- 40 C
Data Rom Size
64 B
Height
1.75 mm
Length
7.2 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4 V
Width
5.3 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOPI3-DB16F84A - BOARD DAUGHTER ICEPIC3AC164307 - MODULE SKT FOR PM3 28SSOPAC164018 - MODULE SKT PROMATEII 20SSOP
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F84A-20I/SS
Manufacturer:
MICROCHIP
Quantity:
2 560
Part Number:
PIC16F84A-20I/SS
Manufacturer:
MIC
Quantity:
20 000
- Current page: 302 of 688
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PICmicro MID-RANGE MCU FAMILY
17.4.2
DS31017A-page 17-26
GCEN (SSPCON2<7>)
SDA
SCL
SSPIF
SSPOV (SSPCON1<6>)
BF (SSPSTAT<0>)
General Call Address Support
S
The addressing procedure for the I
usually determines which device will be the slave addressed by the master. The exception is the
general call address which can address all devices. When this address is used, all devices
should, in theory, respond with an acknowledge.
The general call address is one of eight addresses reserved for specific purposes by the I
tocol. It consists of all 0’s with R/W = 0.
The general call address is recognized when the General Call Enable bit (GCEN) is enabled
(SSPCON2<7> set). Following a start-bit detect, 8-bits are shifted into SSPSR and the address
is compared against SSPADD, and is also compared to the general call address, fixed in hard-
ware.
If the general call address matches, the SSPSR is transferred to the SSPBUF, the BF flag bit is
set (eight bit), and on the falling edge of the ninth bit (ACK bit) the SSPIF interrupt flag bit is set.
When the interrupt is serviced. The source for the interrupt can be checked by reading the con-
tents of the SSPBUF to determine if the address was device specific or a general call address.
In 10-bit mode, the SSPADD is required to be updated for the second half of the address to
match, and the UA bit is set (SSPSTAT<1>). If the general call address is sampled when the
GCEN bit is set while the slave is configured in 10-bit address mode, then the second half of the
address is not necessary, the UA bit will not be set, and the slave will begin receiving data after
the acknowledge
Figure 17-16: Slave Mode General Call Address Sequence (7 or 10-bit Address Mode)
1
2
General Call Address
3
(Figure
4
5
17-16).
6
Preliminary
7
R/W = 0
2
C bus is such that the first byte after the START condition
8
ACK
Address is compared to General Call Address
after ACK, set interrupt
9
D7
1
D6
2
Cleared in software
SSPBUF is read
Receiving data
D5
3
D4
4
D3
5
1997 Microchip Technology Inc.
D2
6
D1
7
D0
8
ACK
9
'0'
'1'
2
C pro-
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