PIC16F72-I/SO Microchip Technology Inc., PIC16F72-I/SO Datasheet - Page 52
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PIC16F72-I/SO
Manufacturer Part Number
PIC16F72-I/SO
Description
28 PIN, 3.5 KB FLASH, 128 RAM, 22 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F72-ISO.pdf
(136 pages)
Specifications of PIC16F72-I/SO
A/d Inputs
5-Channel, 8-Bit
Cpu Speed
5 MIPS
Eeprom Memory
0 Bytes
Input Output
22
Interface
I2C/SPI
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SOIC
Programmable Memory
3.5K Bytes
Ram Size
128 Bytes
Speed
20 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F72-I/SO
Manufacturer:
MICROCHIP
Quantity:
3 290
Part Number:
PIC16F72-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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PIC16F72
FIGURE 9-6:
FIGURE 9-7:
DS39597B-page 50
SDA
SCL
SSPIF (PIR1<3>)
BF (SSPSTAT<0>)
CKP (SSPCON<4>)
SDA
SCL
SSPIF (PIR1<3>)
BF (SSPSTAT<0>)
SSPOV (SSPCON<6>)
S
S
A7 A6 A5 A4 A3 A2 A1
1
Receiving Address
A7
2
1
Data is
sampled
3
A6
2
I
I
4
2
2
C WAVEFORMS FOR TRANSMISSION (7-BIT ADDRESS)
C WAVEFORMS FOR RECEPTION (7-BIT ADDRESS)
A5
Receiving Address
3
5
A4
4
6
R/W = 0
7
A3
5
8
A2
6
ACK
9
A1
7
D7
1
D6
R/W = 1
2
8
SSPBUF register is read
Receiving Data
D5
3
Cleared in software
9
ACK
D4
Bit SSPOV is set because the SSPBUF register is still full.
responds to SSPIF
4
while CPU
SCL held low
D3
5
D2
6
D1
7
D7
D0
1
SSPBUF is written in software
8
ACK
D6
9
2
Cleared in software
Set bit after writing to SSPBUF
(the SSPBUF must be written to
before the CKP bit can be set)
D7
1
D5
3
D6
2
D4
4
D5
Receiving Data
3
Transmitting Data
D3
D4
4
5
2002 Microchip Technology Inc.
ACK is not sent.
D3
D2
5
6
D2
6
From SSP Interrupt
Service Routine
D1
7
D1
7
D0
8
D0
8
ACK
ACK
9
9
Bus Master
transfer
terminates
P
P
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