PIC16C774/PT Microchip Technology, PIC16C774/PT Datasheet - Page 94
![IC MCU OTP 4KX14 A/D PWM 44TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC16C774/PT
Manufacturer Part Number
PIC16C774/PT
Description
IC MCU OTP 4KX14 A/D PWM 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16C773SO.pdf
(201 pages)
3.PIC16C774P.pdf
(13 pages)
4.PIC16C774P.pdf
(16 pages)
Specifications of PIC16C774/PT
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
7KB (4K x 14)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 10x12b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16C774/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16C773SO PDF datasheet #2
- PIC16C774P PDF datasheet #3
- PIC16C774P PDF datasheet #4
- Current page: 94 of 201
- Download datasheet (3Mb)
PIC16C77X
8.2.18.17 BUS COLLISION DURING A STOP
Bus collision occurs during a STOP condition if:
a)
b)
FIGURE 8-40: BUS COLLISION DURING A STOP CONDITION (CASE 1)
FIGURE 8-41:
DS30275A-page 94
After the SDA pin has been de-asserted and
allowed to float high, SDA is sampled low after
the BRG has timed out.
After the SCL pin is de-asserted, SCL is sam-
pled low before SDA goes high.
SDA
SCL
PEN
BCLIF
P
SSPIF
SSPIF
BCLIF
CONDITION
SDA
PEN
SCL
P
’0’
’0’
BUS COLLISION DURING A STOP CONDITION (CASE 2)
’0’
’0’
Assert SDA
T
SDA asserted low
BRG
T
BRG
Advance Information
T
BRG
T
BRG
The STOP condition begins with SDA asserted low.
When SDA is sampled low, the SCL pin is allow to float.
When the pin is sampled high (clock arbitration), the
baud rate generator is loaded with SSPADD<6:0> and
counts down to 0. After the BRG times out SDA is sam-
pled.
occurred. This is due to another master attempting to
drive a data ’0’. If the SCL pin is sampled low before
SDA is allowed to float high, a bus collision occurs.
This is another case of another master attempting to
drive a data ’0’
If SDA is sampled low, a bus collision has
SCL goes low before SDA goes high
Set BCLIF
(Figure
T
BRG
T
BRG
8-40).
1999 Microchip Technology Inc.
’0’
’0’
SDA sampled
low after T
Set BCLIF
BRG
,
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