PIC16LF1934-E/PT Microchip Technology, PIC16LF1934-E/PT Datasheet - Page 58
PIC16LF1934-E/PT
Manufacturer Part Number
PIC16LF1934-E/PT
Description
7KB Flash, 256B RAM, 256B EEPROM, LCD, NanoWatt XLP 44 TQFP 10x10x1mm TRAY
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Specifications of PIC16LF1934-E/PT
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF1934-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC16F193X/LF193X
FIGURE 3-9:
3.4.2
If the STVREN bit in Configuration Word 2 is set to ‘1’,
the device will be reset if the stack is PUSHed beyond
the sixteenth level or POPed beyond the first level,
setting the appropriate bits (STKOVF or STKUNF,
respectively) in the PCON register.
3.5
The INDFn registers are not physical registers. Any
instruction that accesses an INDFn register actually
accesses the register at the address specified by the
File Select Registers (FSR). If the FSRn address
specifies one of the two INDFn registers, the read will
return ‘0’ and the write will not occur (though Status bits
may be affected). The FSRn register value is created
by the pair FSRnH and FSRnL.
The FSR registers form a 16-bit address that allows an
addressing space with 65536 locations. These locations
are divided into three memory regions:
• Traditional Data Memory
• Linear Data Memory
• Program Flash Memory
DS41364D-page 58
Indirect Addressing
OVERFLOW/UNDERFLOW RESET
TOSH:TOSL
ACCESSING THE STACK EXAMPLE 4
0x0D
0x0C
0x0E
0x0B
0x0A
0x0F
0x09
0x08
0x07
0x06
0x05
0x04
0x03
0x02
0x01
0x00
Preliminary
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
Return Address
STKPTR = 0x10
When the stack is full, the next CALL or
an interrupt will set the Stack Pointer to
0x10. This is identical to address 0x00
so the stack will wrap and overwrite the
return address at 0x00. If the Stack
Overflow/Underflow Reset is enabled, a
Reset will occur and location 0x00 will
not be overwritten.
2009 Microchip Technology Inc.
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