PIC16F1933-I/SO Microchip Technology Inc., PIC16F1933-I/SO Datasheet - Page 91
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PIC16F1933-I/SO
Manufacturer Part Number
PIC16F1933-I/SO
Description
28 SOIC .300in TUBE, 7KB Flash, 256B RAM, 256B EEPROM, LCD, 1.8-5.5V
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F1933-ISS.pdf
(508 pages)
Specifications of PIC16F1933-I/SO
A/d Inputs
11-Channel, 10-Bit
Comparators
2
Cpu Speed
8 MIPS
Eeprom Memory
256 Bytes
Input Output
25
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SOIC
Programmable Memory
7K Bytes
Ram Size
256 Bytes
Speed
32 MHz
Timers
4-8-bit, 1-16-bit
Voltage, Range
1.8-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
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6.11
The Power Control (PCON) register contains flag bits
to differentiate between a:
• Power-on Reset (POR)
• Brown-out Reset (BOR)
• Reset Instruction Reset (RI)
• Stack Overflow Reset (STKOVF)
• Stack Underflow Reset (STKUNF)
• MCLR Reset (RMCLR)
The PCON register bits are shown in Register 6-2.
REGISTER 6-2:
2009 Microchip Technology Inc.
bit 7
Legend:
HC = Bit is cleared by hardware
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
bit 7
bit 6
bit 5-4
bit 3
bit 2
bit 1
bit 0
R/W/HS-0/q
STKOVF
Power Control (PCON) Register
STKOVF: Stack Overflow Flag bit
1 = A Stack Overflow occurred
0 = A Stack Overflow has not occurred or set to ‘0’ by firmware
STKUNF: Stack Underflow Flag bit
1 = A Stack Underflow occurred
0 = A Stack Underflow has not occurred or set to ‘0’ by firmware
Unimplemented: Read as ‘0’
RMCLR: MCLR Reset Flag bit
1 = A MCLR Reset has not occurred or set to ‘1’ by firmware
0 = A MCLR Reset has occurred (set to ‘0’ in hardware when a MCLR Reset occurs)
RI: RESET Instruction Flag bit
1 = A RESET instruction has not been executed or set to ‘1’ by firmware
0 = A RESET instruction has been executed (set to ‘0’ in hardware upon executing a RESET instruction)
POR: Power-on Reset Status bit
1 = No Power-on Reset occurred
0 = A Power-on Reset occurred (must be set in software after a Power-on Reset occurs)
BOR: Brown-out Reset Status bit
1 = No Brown-out Reset occurred
0 = A Brown-out Reset occurred (must be set in software after a Power-on Reset or Brown-out Reset
R/W/HS-0/q
STKUNF
occurs)
PCON: POWER CONTROL REGISTER
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
U-0
—
U-0
Preliminary
—
U = Unimplemented bit, read as ‘0’
-m/n = Value at POR and BOR/Value at all other Resets
q = Value depends on condition
R/W/HC-1/q
HS = Bit is set by hardware
RMCLR
PIC16F193X/LF193X
R/W/HC-1/q
RI
R/W/HC-q/u
POR
DS41364D-page 91
R/W/HC-q/u
BOR
bit 0
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