PIC16F87-I/SS Microchip Technology, PIC16F87-I/SS Datasheet - Page 315

• 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

Figure 17-25: Master Transmit Flowchart
1997 Microchip Technology Inc.
SDA = Current Data bit
count SCL high time
= Num_Clocks + 1
Num_Clocks = 0,
start BRG count,
SSPADD<6:0>,
SSPADD<6:0>,
Load BRG with
Write SSPBUF
Force SCL = 0
Load BRG with
Force SCL = 1
Num_Clocks
Num_Clocks
Stop BRG,
Idle Mode
SCL = 1?
Data bit?
SDA =
rollover?
rollover?
BF = 1
BRG
BRG
= 8?
Yes
Yes
Yes
No
Yes
No
No
No
No
Yes
(Clock Arbitration)
Reset BRG
SCL = 0?
Yes
Set BCLIF, hold prescale off,
Bus collision detected
Clear XMIT enable
No
Preliminary
Data bit?
SDA =
Yes
No
Section 17. MSSP
(Clock Arbitration)
ACKSTAT bit (SSPCON2<6>)
Read SDA and place into
slave can drive ACK,
Release SDA so
SSPADD<6:0>,
SSPADD<6:0>,
start BRG count
Force SCL = 1,
count high time
Force SCL = 0,
Load BRG with
Load BRG with
Force BF = 0
Stop BRG
Set SSPIF
Rollover?
SCL = 1?
rollover?
BRG
Yes
DS31017A-page 17-39
Yes
Yes
No
No
No
17