PIC16F877T-20/PT Microchip Technology, PIC16F877T-20/PT Datasheet - Page 321

• Manufacturer Part Number: PIC16F877T-20/PT
• Description: IC MCU FLASH 8KX14 EE 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877T-20/PT

• 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: 33
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 17-30: Acknowledge Flowchart
1997 Microchip Technology Inc.
(Clock Arbitration)
No
No
No
SSPADD <6:0>,
Drive ACKDT bit
Load BRG with
(SSPCON2<5>)
Load BRG with
SSPADD<6:0>,
Force SCL = 1
Force SCL = 0
onto SDA pin,
Yes
Yes
Yes
start count.
Set ACKEN
start count.
Idle mode
SCL = 1?
SCL = 0?
rollover?
BRG
Preliminary
No
Yes
Bus collision detected,
Clear ACKEN
ACKDT = 1?
Release SCL,
No
No
rollover?
SDA = 1?
Set BCLIF,
SCL = 0?
BRG
Yes
No
Yes
Yes
Reset BRG
Section 17. MSSP
Force SCL = 0,
Clear ACKEN
Set SSPIF
DS31017A-page 17-45
17