PIC16F1827-I/SS Microchip Technology, PIC16F1827-I/SS Datasheet - Page 275
![IC, 8BIT MCU, PIC16F, 32MHZ, SSOP-20](/photos/6/81/68119/150-28-ssop_sml.jpg)
PIC16F1827-I/SS
Manufacturer Part Number
PIC16F1827-I/SS
Description
IC, 8BIT MCU, PIC16F, 32MHZ, SSOP-20
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16F722-ISS.pdf
(8 pages)
2.PIC16F1826-IP.pdf
(406 pages)
3.PIC16F1826-IP.pdf
(12 pages)
4.PIC16F1826-IP.pdf
(8 pages)
5.PIC16F1826-IP.pdf
(40 pages)
6.PIC16LF1827-ISS.pdf
(400 pages)
Specifications of PIC16F1827-I/SS
Controller Family/series
PIC16F
Eeprom Memory Size
256Byte
Ram Memory Size
384Byte
Cpu Speed
32MHz
No. Of Timers
5
Interface
EUSART, I2C, SPI
Core Size
8 Bit
Program Memory Size
4kWords
Core Processor
PIC
Speed
32MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SSOP
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
384 B
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
15
Number Of Timers
5
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
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F1827-I/SS
Manufacturer:
NELL
Quantity:
45
- PIC16F722-ISS PDF datasheet
- PIC16F1826-IP PDF datasheet #2
- PIC16F1826-IP PDF datasheet #3
- PIC16F1826-IP PDF datasheet #4
- PIC16F1826-IP PDF datasheet #5
- PIC16LF1827-ISS PDF datasheet #6
- Current page: 275 of 406
- Download datasheet (4Mb)
24.6.13.1
During a Start condition, a bus collision occurs if:
a)
b)
During a Start condition, both the SDAx and the SCLx
pins are monitored.
If the SDAx pin is already low, or the SCLx pin is
already low, then all of the following occur:
• the Start condition is aborted,
• the BCLxIF flag is set and
• the MSSPx module is reset to its Idle state
The Start condition begins with the SDAx and SCLx
pins deasserted. When the SDAx pin is sampled high,
the Baud Rate Generator is loaded and counts down. If
the SCLx pin is sampled low while SDAx is high, a bus
collision occurs because it is assumed that another
master is attempting to drive a data ‘1’ during the Start
condition.
FIGURE 24-33:
2010 Microchip Technology Inc.
(Figure 24-32).
SDAx or SCLx are sampled low at the beginning
of the Start condition (Figure 24-32).
SCLx is sampled low before SDAx is asserted
low (Figure 24-33).
SDAx
SCLx
SEN
BCLxIF
S
SSPxIF
Bus Collision During a Start
Condition
BUS COLLISION DURING START CONDITION (SDAX ONLY)
condition if SDAx = 1, SCLx = 1
Set SEN, enable Start
SDAx sampled low before
Start condition. Set BCLxIF.
S bit and SSPxIF set because
SDAx = 0, SCLx = 1.
SDAx goes low before the SEN bit is set.
S bit and SSPxIF set because
SDAx = 0, SCLx = 1.
Set BCLxIF,
Preliminary
SSPxIF and BCLxIF are
cleared by software
If the SDAx pin is sampled low during this count, the
BRG is reset and the SDAx line is asserted early
(Figure 24-34). If, however, a ‘1’ is sampled on the
SDAx pin, the SDAx pin is asserted low at the end of
the BRG count. The Baud Rate Generator is then
reloaded and counts down to zero; if the SCLx pin is
sampled as ‘0’ during this time, a bus collision does not
occur. At the end of the BRG count, the SCLx pin is
asserted low.
Note:
SEN cleared automatically because of bus collision.
SSPx module reset into Idle state.
PIC16F/LF1826/27
The reason that bus collision is not a factor
during a Start condition is that no two bus
masters can assert a Start condition at the
exact same time. Therefore, one master
will always assert SDAx before the other.
This condition does not cause a bus colli-
sion because the two masters must be
allowed to arbitrate the first address fol-
lowing the Start condition. If the address is
the same, arbitration must be allowed to
continue into the data portion, Repeated
Start or Stop conditions.
SSPxIF and BCLxIF are
cleared by software
DS41391C-page 275
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