PIC16F87-I/SS Microchip Technology, PIC16F87-I/SS Datasheet - Page 96

• Manufacturer Part Number: PIC16F87-I/SS
• Description: IC MCU FLASH 4KX14 EEPROM 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F87-I/SS

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 20-SSOP
• 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: 16
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: SSP/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• 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, PG164120, ICE2000, DM163014
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS-1 - SOCKET TRANSITION 18DIP 20SSOPAC164307 - MODULE SKT FOR PM3 28SSOP
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F87/88
TABLE 10-2:
FIGURE 10-6:
FIGURE 10-7:
DS30487B-page 94
Note 1:
SDA
SCL
SSPIF (PIR1<3>)
BF (SSPSTAT<0>)
SSPOV (SSPCON<6>)
SDA
SCL
SSPIF (PIR1<3>)
BF (SSPSTAT<0>)
CKP (SSPCON<4>)
Transfer is Received
Status bits as Data
BF
0
1
1
0
S
S
Shaded cells show the conditions where the user software did not properly clear the overflow condition.
A7 A6 A5 A4 A3 A2 A1
1
SSPOV
2
A7
Receiving Address
1
Data is
sampled
DATA TRANSFER RECEIVED BYTE ACTIONS
0
0
1
1
3
A6
2
I
4
I
2
2
C WAVEFORMS FOR TRANSMISSION (7-BIT ADDRESS)
A5
C WAVEFORMS FOR RECEPTION (7-BIT ADDRESS)
Receiving Address
3
5
SSPSR
A4
6
4
R/W = 0
7
A3
5
8
Yes
No
No
No
A2
6
ACK
9
SSPBUF
A1
7
D7
1
R/W = 1
D6
2
8
SSPBUF register is read
Preliminary
Receiving Data
D5
3
Cleared in software
9
ACK
Generate ACK Pulse
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
Yes
No
No
No
D1
7
D7
SSPBUF is written in software
D0
1
8
ACK
9
D6
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
(SSP Interrupt Occurs if Enabled)
D4
4
D5
Receiving Data
3
Transmitting Data
D3
D4
4
5
 2003 Microchip Technology Inc.
ACK is not sent
D3
D2
5
6
Set bit SSPIF
D2
6
From SSP Interrupt
Service Routine
D1
7
Yes
Yes
Yes
Yes
D1
7
D0
8
D0
8
ACK
ACK
9
9
Bus master
terminates
transfer
P
P