PIC18F4525-E/ML Microchip Technology, PIC18F4525-E/ML Datasheet - Page 68
![IC MCU FLASH 24KX16 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18F4525-E/ML
Manufacturer Part Number
PIC18F4525-E/ML
Description
IC MCU FLASH 24KX16 44QFN
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F2525-ISO.pdf
(412 pages)
3.PIC18F2525-ISO.pdf
(18 pages)
4.PIC18F2525-ISO.pdf
(18 pages)
5.PIC18F2525-ISO.pdf
(6 pages)
6.PIC18F2525-ISO.pdf
(6 pages)
Specifications of PIC18F4525-E/ML
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
48KB (24K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-QFN
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3986 B
Interface Type
SPI, I2C, EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
36
Number Of Timers
1 x 8
Operating Supply Voltage
4.2 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, 53275-917, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
13 bit
For Use With
I3DB18F4620 - BOARD DAUGHTER ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC18F2221-ISO PDF datasheet
- PIC18F2525-ISO PDF datasheet #2
- PIC18F2525-ISO PDF datasheet #3
- PIC18F2525-ISO PDF datasheet #4
- PIC18F2525-ISO PDF datasheet #5
- PIC18F2525-ISO PDF datasheet #6
- Current page: 68 of 412
- Download datasheet (7Mb)
PIC18F2525/2620/4525/4620
5.3.5
The STATUS register, shown in Register 5-2, contains
the arithmetic status of the ALU. As with any other SFR,
it can be the operand for any instruction.
If the STATUS register is the destination for an instruc-
tion that affects the Z, DC, C, OV or N bits, the results
of the instruction are not written; instead, the STATUS
register is updated according to the instruction per-
formed. Therefore, the result of an instruction with the
STATUS register as its destination may be different
than intended. As an example, CLRF STATUS will set
the Z bit and leave the remaining Status bits
unchanged (‘000u u1uu’).
REGISTER 5-2:
DS39626E-page 66
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-5
bit 4
bit 3
bit 2
bit 1
bit 0
Note 1:
U-0
—
2:
For borrow, the polarity is reversed. A subtraction is executed by adding the 2’s complement of the second
operand. For rotate (RRF, RLF) instructions, this bit is loaded with either bit 4 or bit 3 of the source register.
For borrow, the polarity is reversed. A subtraction is executed by adding the 2’s complement of the second
operand. For rotate (RRF, RLF) instructions, this bit is loaded with either the high or low-order bit of the
source register.
STATUS REGISTER
Unimplemented: Read as ‘0’
N: Negative bit
This bit is used for signed arithmetic (2’s complement). It indicates whether the result was negative
(ALU MSB = 1).
1 = Result was negative
0 = Result was positive
OV: Overflow bit
This bit is used for signed arithmetic (2’s complement). It indicates an overflow of the 7-bit magnitude
which causes the sign bit (bit 7) to change state.
1 = Overflow occurred for signed arithmetic (in this arithmetic operation)
0 = No overflow occurred
Z: Zero bit
1 = The result of an arithmetic or logic operation is zero
0 = The result of an arithmetic or logic operation is not zero
DC: Digit Carry/borrow bit
For ADDWF, ADDLW, SUBLW and SUBWF instructions:
1 = A carry-out from the 4th low-order bit of the result occurred
0 = No carry-out from the 4th low-order bit of the result
C: Carry/borrow bit
For ADDWF, ADDLW, SUBLW and SUBWF instructions:
1 = A carry-out from the Most Significant bit of the result occurred
0 = No carry-out from the Most Significant bit of the result occurred
U-0
—
STATUS REGISTER
W = Writable bit
‘1’ = Bit is set
(2)
U-0
—
(1)
R/W-x
N
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-x
It is recommended that only BCF, BSF, SWAPF, MOVFF
and MOVWF instructions are used to alter the STATUS
register, because these instructions do not affect the Z,
C, DC, OV or N bits in the STATUS register.
For other instructions that do not affect Status bits, see
the instruction set summaries in Table 24-2 and
Table 24-3.
OV
Note:
The C and DC bits operate as the borrow
and digit borrow bits, respectively, in
subtraction.
R/W-x
Z
© 2008 Microchip Technology Inc.
x = Bit is unknown
R/W-x
DC
(1)
R/W-x
C
(2)
bit 0
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