PIC16F84A-04I/SS Microchip Technology, PIC16F84A-04I/SS Datasheet - Page 231

• Manufacturer Part Number: PIC16F84A-04I/SS
• Description: IC MCU FLASH 1KX14 EE 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F84A-04I/SS

• Core Size: 8-Bit
• Program Memory Size: 1.75KB (1K x 14)
• Core Processor: PIC
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 68 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SSOP
• Controller Family/series: PIC16F
• No. Of I/o's: 13
• Eeprom Memory Size: 64Byte
• Ram Memory Size: 68Byte
• Cpu Speed: 4MHz
• No. Of Timers: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOPI3-DB16F84A - BOARD DAUGHTER ICEPIC3AC164307 - MODULE SKT FOR PM3 28SSOPAC164018 - MODULE SKT PROMATEII 20SSOP
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: PIC16F84A-04I/SSR; PIC16F84A-04I/SSR

15.3.5
SS
SCK (CKP = 0,
SCK (CKP = 1,
Write to
SSPBUF
SDO
SDI
(SMP = 0)
Input
Sample (SMP = 0)
optional
SSPIF
SSPSR to
SSPBUF
1997 Microchip Technology Inc.
CKE = 0)
CKE = 0)
Slave Operation
In slave mode, the data is transmitted and received as the external clock pulses appear on SCK.
When the last bit is latched, the interrupt flag bit SSPIF is set.
The clock polarity is selected by appropriately programming bit CKP (SSPCON<4>). This then
would give waveforms for SPI communication as shown in
Figure 15-5
the minimum high and low times.
In sleep mode, the slave can transmit and receive data. When a byte is received, the device will
wake-up from sleep, if the interrupt is enabled.
Figure 15-4:
bit7
bit7
where the MSb is transmitted first. When in slave mode the external clock must meet
SPI Mode Waveform (Slave Mode With CKE = 0)
bit6
bit5
bit4
bit3
Section 15. SSP
bit2
Figure
bit1
15-3,
bit0
DS31015A-page 15-11
bit0
Figure
Next Q4 Cycle
after Q2
15-4, and
15