PIC16F1826-I/MQ Microchip Technology, PIC16F1826-I/MQ Datasheet - Page 43

• Manufacturer Part Number: PIC16F1826-I/MQ
• Description: IC, 8BIT MCU, PIC16F, 32MHZ, QFN-28
• Manufacturer: Microchip Technology

Specifications of PIC16F1826-I/MQ

• Controller Family/series: PIC16F
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 256Byte
• Cpu Speed: 32MHz
• No. Of Timers: 3
• Interface: EUSART, I2C, SPI
• Core Size: 8 Bit
• Program Memory Size: 2kWords
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 3-6:
FIGURE 3-7:
© 2009 Microchip Technology Inc.
TOSH:TOSL
TOSH:TOSL
ACCESSING THE STACK EXAMPLE 2
ACCESSING THE STACK EXAMPLE 3
0x0E
0x0D
0x0C
0x0B
0x0A
0x0F
0x09
0x07
0x06
0x05
0x03
0x02
0x00
0x08
0x04
0x01
0x0D
0x0C
0x0A
0x0F
0x0E
0x0B
0x09
0x08
0x07
0x06
0x05
0x04
0x03
0x02
0x00
0x01
Preliminary
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
PIC16F/LF1826/27
After seven
interrupt, the stack looks like the figure
on the left. A series of
will repeatedly place the return addresses
into the Program Counter and pop the stack.
STKPTR = 0x06
This figure shows the stack configuration
after the first
If a
return address will be placed in the
Program Counter and the Stack Pointer
decremented to the empty state (0x1F).
STKPTR = 0x00
instruction is executed, the
s, or six
or a single interrupt.
DS41391B-page 43
instructions
s and an