PIC16F877T-20/PT Microchip Technology, PIC16F877T-20/PT Datasheet - Page 291

• 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 17-7:
Figure 17-8:
SS
SCK
(CKP = 0
CKE = 0)
SCK
(CKP = 1
CKE = 0)
Write to
SSPBUF
SDO
SDI
(SMP = 0)
Input
Sample
(SMP = 0)
SS
SCK
(CKP = 0
CKE = 0)
SCK
(CKP = 1
CKE = 0)
Write to
SSPBUF
SDO
SDI
(SMP = 0)
Input
Sample
(SMP = 0)
optional
SSPIF
Interrupt
Flag
SSPIF
Interrupt
Flag
SSPSR to
SSPBUF
SSPSR to
SSPBUF
1997 Microchip Technology Inc.
Slave Synchronization Waveform
SPI Mode Waveform (Slave Mode with CKE = 0)
bit7
bit7
bit7
bit7
bit6
bit6
bit5
Preliminary
bit4
bit3
Section 17. MSSP
bit7
bit7
bit2
bit1
Next Q4 cycle
bit0
DS31017A-page 17-15
bit0
after Q2
Next Q4 cycle
after Q2
bit0
bit0
17