PIC16LF1906-E/MV Microchip Technology, PIC16LF1906-E/MV Datasheet - Page 54

• Manufacturer Part Number: PIC16LF1906-E/MV
• Description: 14KB Flash, 512B RAM, LCD, 11x10b ADC, EUSART, NanoWatt XLP 28 UQFN 4x4x0.5mm TU
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16LF1906-E/MV

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: LIN, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-UFQFN Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16LF1904/6/7
5.11
Upon any Reset, multiple bits in the STATUS and
PCON registers are updated to indicate the cause of
the Reset.
conditions of these registers.
TABLE 5-3:
TABLE 5-4:
DS41569A-page 54
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 RWDT 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.
Table 5-3
0
0
0
0
u
u
u
u
u
u
u
1
RESET STATUS BITS AND THEIR SIGNIFICANCE
RESET CONDITION FOR SPECIAL REGISTERS
and
1
1
1
u
0
u
u
u
u
u
u
u
Condition
Table 5-4
1
1
1
1
u
u
u
0
0
u
u
u
show the Reset
RI
1
1
1
1
u
u
u
u
u
0
u
u
POR
Preliminary
0
0
0
u
u
u
u
u
u
u
u
u
BOR
x
x
x
0
u
u
u
u
u
u
u
u
Program
PC + 1
Counter
PC + 1
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
TO
1
0
x
1
0
0
1
u
1
u
u
u
(1)
PD
(2)
1
x
0
1
u
0
0
u
0
u
u
u
---1 1000
---u uuuu
---1 0uuu
---0 uuuu
---0 0uuu
---1 1uuu
---1 0uuu
---u uuuu
---u uuuu
---u uuuu
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)
Register
STATUS
 2011 Microchip Technology Inc.
Condition
00-1 110x
uu-u 0uuu
uu-u 0uuu
uu-0 uuuu
uu-u uuuu
00-1 11u0
uu-u uuuu
uu-u u0uu
1u-u uuuu
u1-u uuuu
Register
PCON