PIC16F887-I/PT Microchip Technology Inc., PIC16F887-I/PT Datasheet - Page 189

• Manufacturer Part Number: PIC16F887-I/PT
• Description: MCU, 8-Bit, 8KW Flash, 368 RAM, 36 I/O, TQFP-44
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F887-I/PT

• A/d Inputs: 14-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Frequency: 20 MHz
• Input Output: 35
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin TFQP
• Programmable Memory: 14K Bytes
• Ram Size: 368 Bytes
• Resistance, Drain To Source On: Bytes
• Serial Interface: MSSP or EUSART
• 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

FIGURE 13-7:
FIGURE 13-8:
© 2007 Microchip Technology Inc.
SDA
SCL
SSPIF
BF
CKP
SDA
SCL
SSPIF
BF
SSPOV
S
S
A7 A6 A5 A4 A3 A2 A1
1
A7
2
Receiving Address
1
Data in
Sampled
3
A6
2
I
I
4
2
2
C™ SLAVE MODE WAVEFORMS FOR RECEPTION (7-BIT ADDRESS)
C™ SLAVE MODE WAVEFORMS FOR TRANSMISSION (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
PIC16F882/883/884/886/887
R/W = 1
D6
2
8
Cleared in software
SSPBUF register is read
Preliminary
Receiving Data
D5
3
9
ACK
D4
Bit SSPOV is set because the SSPBUF register is still full
responds to SSPIF
4
SCL held low
while CPU
D3
5
D2
6
D1
7
D7
D0
1
SSPBUF is written in software
8
ACK
9
D6
Cleared in software
2
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
ACK is not sent
D3
5
D2
6
D2
6
From SSP Interrupt
Service Routine
D1
7
D1
7
D0
DS41291D-page 187
8
D0
8
Not ACK
R/W = 0
Not ACK
9
9
Bus Master
Terminates
Transfer
P
P