PIC16F723-I/ML Microchip Technology, PIC16F723-I/ML Datasheet - Page 178
![IC PIC MCU FLASH 4KX14 28-QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC16F723-I/ML
Manufacturer Part Number
PIC16F723-I/ML
Description
IC PIC MCU FLASH 4KX14 28-QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.AC164112.pdf
(302 pages)
2.PIC16F722-ISS.pdf
(8 pages)
3.PIC16F722-ISS.pdf
(10 pages)
4.PIC16F722-ISS.pdf
(32 pages)
5.PIC16F722-ISS.pdf
(2 pages)
6.PIC16F722-ISS.pdf
(8 pages)
7.PIC16LF724-IPT.pdf
(266 pages)
Specifications of PIC16F723-I/ML
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Oscillator Type
Internal
Core Processor
PIC
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
25
Program Memory Type
FLASH
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x8b
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Controller Family/series
PIC16F
No. Of I/o's
25
Ram Memory Size
192Byte
Cpu Speed
20MHz
No. Of Timers
3
No. Of Pwm
RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- AC164112 PDF datasheet
- PIC16F722-ISS PDF datasheet #2
- PIC16F722-ISS PDF datasheet #3
- PIC16F722-ISS PDF datasheet #4
- PIC16F722-ISS PDF datasheet #5
- PIC16F722-ISS PDF datasheet #6
- PIC16LF724-IPT PDF datasheet #7
- Current page: 178 of 302
- Download datasheet (5Mb)
PIC16F72X/PIC16LF72X
17.2.2
During times of no data transfer (Idle time), both the
clock line (SCL) and the data line (SDA) are pulled high
through external pull-up resistors. The Start and Stop
conditions determine the start and stop of data trans-
mission. The Start condition is defined as a high-to-low
transition of the SDA line while SCL is high. The Stop
condition is defined as a low-to-high transition of the
SDA line while SCL is high.
FIGURE 17-9:
17.2.3
After the valid reception of an address or data byte, the
hardware automatically will generate the Acknowledge
(ACK) pulse and load the SSPBUF register with the
received value currently in the SSPSR register. There
are certain conditions that will cause the SSP module
not to generate this ACK pulse. They include any or all
of the following:
• The Buffer Full bit, BF of the SSPSTAT register,
• The SSP Overflow bit, SSPOV of the SSPCON
• The SSP Module is being operated in Firmware
TABLE 17-2:
DS41341E-page 178
Note 1:
was set before the transfer was received.
register, was set before the transfer was received.
Master mode.
Transfer is Received
Status Bits as Data
BF
0
1
1
0
SDA
SCL
Shaded cells show the conditions where the user software did not properly clear the overflow condition.
START AND STOP CONDITIONS
ACKNOWLEDGE
SSPOV
DATA TRANSFER RECEIVED BYTE ACTIONS
0
0
1
1
START AND STOP CONDITIONS
Condition
Start
S
SSPSR → SSPBUF
Data Allowed
Change of
Yes
No
No
No
Figure 17-9 shows the Start and Stop conditions. A
master device generates these conditions for starting
and terminating data transfer. Due to the definition of
the Start and Stop conditions, when data is being trans-
mitted, the SDA line can only change state when the
SCL line is low.
In such a case, the SSPSR register value is not loaded
into the SSPBUF, but bit SSPIF of the PIR1 register is
set. Table 17-2 shows the results of when a data
transfer byte is received, given the status of bits BF and
SSPOV. Flag bit BF is cleared by reading the SSPBUF
register, while bit SSPOV is cleared through software.
Generate ACK
Pulse
Yes
No
No
No
Data Allowed
Change of
© 2009 Microchip Technology Inc.
(SSP Interrupt occurs
Condition
Stop
Set bit SSPIF
P
if enabled)
Yes
Yes
Yes
Yes
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