PIC16F1939-I/PT Microchip Technology Inc., PIC16F1939-I/PT Datasheet - Page 245

• Manufacturer Part Number: PIC16F1939-I/PT
• Description: 44 TQFP 10x10x1mm TRAY, 28KB Flash, 1KB RAM, 256B EEPROM, LCD, 1.8-5.5V
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F1939-I/PT

• A/d Inputs: 14-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 8 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin TQFP
• Programmable Memory: 28K Bytes
• Ram Size: 1K Bytes
• Speed: 32 MHz
• Temperature Range: –40 to 125 °C
• Timers: 4-8-bit, 1-16-bit
• Voltage, Range: 1.8-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 23-7:
FIGURE 23-8:
 2009 Microchip Technology Inc.
SSPBUF to
SS
SCK
(CKP = 0
CKE = 0)
SCK
(CKP = 1
CKE = 0)
Write to
SSPBUF
SDO
SDI
Input
Sample
SSPIF
Interrupt
Flag
SSPSR to
SSPBUF
SSPSR
SPI Master
SPI DAISY-CHAIN CONNECTION
SLAVE SELECT SYNCHRONOUS WAVEFORM
General I/O
bit 7
bit 7
SDO
SCK
SDI
bit 6
Preliminary
PIC16F193X/LF193X
Shift register SSPSR
and bit count are reset
SCK
SDI
SDO
SS
SCK
SDI
SDO
SS
SCK
SDI
SDO
SS
bit 7
bit 7
SPI Slave
SPI Slave
SPI Slave
#1
#2
#3
bit 6
DS41364D-page 245
bit 0
bit 0