PIC16F882-E/SS Microchip Technology, PIC16F882-E/SS Datasheet - Page 193

• Manufacturer Part Number: PIC16F882-E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,28PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F882-E/SS

• 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: 24
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 13-7:
FIGURE 13-8:
© 2009 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
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
1
SSPBUF is written in software
D0
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
DS41291F-page 191
8
D0
8
Not ACK
R/W = 0
Not ACK
9
9
Bus Master
Terminates
Transfer
P
P