PIC16F84AT-04I/SS Microchip Technology, PIC16F84AT-04I/SS Datasheet - Page 320
![IC MCU FLASH 1KX14 EE 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
PIC16F84AT-04I/SS
Manufacturer Part Number
PIC16F84AT-04I/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 PIC16F84AT-04I/SS
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
13
Program Memory Size
1.75KB (1K x 14)
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
For Use With
XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Connectivity
-
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PICmicro MID-RANGE MCU FAMILY
17.4.13
17.4.13.1 WCOL Status Flag
DS31017A-page 17-44
Acknowledge Sequence Timing
An acknowledge sequence is enabled by setting the acknowledge sequence enable bit, ACKEN
(SSPCON2<4>). When this bit is set, the SCL pin is pulled low and the contents of the acknowl-
edge data bit is presented on the SDA pin. If the user wishes to generate an acknowledge, then
the ACKDT bit should be cleared. If not, the user should set the ACKDT bit before starting an
acknowledge sequence. The baud rate generator then counts for one rollover period (T
the SCL pin is de-asserted (pulled high). When the SCL pin is sampled high (clock arbitration),
the baud rate generator counts for T
ACKEN bit is automatically cleared, the baud rate generator is turned off, and the SSP module
then goes into IDLE mode
If the user writes the SSPBUF when an acknowledge sequence is in progress, then WCOL is set
and the contents of the buffer are unchanged (the write doesn’t occur).
Figure 17-29: Acknowledge Sequence Waveform
SSPIF
Acknowledge sequence starts here,
SDA
SCL
Note: T
Set SSPIF at the end
of receive
BRG
= one baud rate generator period.
ACKEN = 1, ACKDT = 0
Write to SSPCON2
(Figure
Preliminary
8
D0
17-29).
BRG
. The SCL pin is then pulled low. Following this, the
Cleared in
software
T
BRG
ACK
T
BRG
9
Set SSPIF at the end
of acknowledge sequence
ACKEN automatically cleared
1997 Microchip Technology Inc.
Cleared in
software
BRG
), and
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