PIC16F1933-I/SO Microchip Technology Inc., PIC16F1933-I/SO Datasheet - Page 90
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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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PIC16F193X/LF193X
6.10
Upon any Reset, multiple bits in the STATUS and
PCON register are updated to indicate the cause of the
Reset. Table 6-3 and Table 6-4 show the Reset condi-
tions of these registers.
TABLE 6-3:
TABLE 6-4:
DS41364D-page 90
Power-on Reset
MCLR Reset during normal operation
MCLR Reset during Sleep
WDT Reset
WDT Wake-up from Sleep
Brown-out Reset
Interrupt Wake-up from Sleep
RESET Instruction Executed
Stack Overflow Reset (STVREN = 1)
Stack Underflow Reset (STVREN = 1)
Legend: u = unchanged, x = unknown, - = unimplemented bit, reads as ‘0’.
Note 1: When the wake-up is due to an interrupt and Global Enable bit (GIE) is set, the return address is pushed on
STKOVF STKUNF RMCLR
0
0
0
0
u
u
u
u
u
u
1
u
2: If a Status bit is not implemented, that bit will be read as ‘0’.
Determining the Cause of a Reset
the stack and PC is loaded with the interrupt vector (0004h) after execution of PC + 1.
0
0
0
0
u
u
u
u
u
u
u
1
RESET STATUS BITS AND THEIR SIGNIFICANCE
RESET CONDITION FOR SPECIAL REGISTERS
Condition
1
1
1
1
u
u
u
0
0
u
u
u
RI
1
1
1
1
u
u
u
u
u
0
u
u
POR
0
0
0
u
u
u
u
u
u
u
u
u
Preliminary
BOR
x
x
x
0
u
u
u
u
u
u
u
u
TO
1
0
x
1
0
0
1
u
1
u
u
u
Program
PC + 1
Counter
PC + 1
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
PD
1
x
0
1
u
0
0
u
0
u
u
u
(1)
Power-on Reset
Illegal, TO is set on POR
Illegal, PD is set on POR
Brown-out Reset
WDT Reset
WDT Wake-up from Sleep
Interrupt Wake-up from Sleep
MCLR Reset during normal operation
MCLR Reset during Sleep
RESET Instruction Executed
Stack Overflow Reset (STVREN = 1)
Stack Underflow Reset (STVREN = 1)
(2)
---1 1000
---u uuuu
---1 0uuu
---0 uuuu
---0 0uuu
---1 1uuu
---1 0uuu
---u uuuu
---u uuuu
---u uuuu
Register
STATUS
2009 Microchip Technology Inc.
Condition
00-- 110x
uu-- 0uuu
uu-- 0uuu
uu-- uuuu
uu-- uuuu
00-- 11u0
uu-- uuuu
uu-- u0uu
1u-- uuuu
u1-- uuuu
Register
PCON
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