PIC18F25J11-I/ML Microchip Technology, PIC18F25J11-I/ML Datasheet - Page 73
![IC PIC MCU FLASH 32K 2V 28-QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC18F25J11-I/ML
Manufacturer Part Number
PIC18F25J11-I/ML
Description
IC PIC MCU FLASH 32K 2V 28-QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.MA180023.pdf
(528 pages)
2.PIC18LF24J10-ISS.pdf
(32 pages)
3.PIC18F24J11-ISS.pdf
(14 pages)
Specifications of PIC18F25J11-I/ML
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Core Processor
PIC
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
FLASH
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2.15 V ~ 3.6 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Controller Family/series
PIC18
No. Of I/o's
16
Ram Memory Size
3.6875KB
Cpu Speed
48MHz
No. Of Timers
5
Interface
EUSART, I2C, SPI
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3776 B
Interface Type
EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DM183022, DM183032, DV164136, MA180023
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F25J11-I/ML
Manufacturer:
MICROCHIP
Quantity:
4 000
- Current page: 73 of 528
- Download datasheet (8Mb)
5.1.3
The Program Counter (PC) specifies the address of the
instruction to fetch for execution. The PC is 21 bits wide
and is contained in three separate 8-bit registers. The
low byte, known as the PCL register, is both readable
and writable. The high byte, or PCH register, contains
the PC<15:8> bits; it is not directly readable or writable.
Updates to the PCH register are performed through the
PCLATH register. The upper byte is called PCU. This
register contains the PC<20:16> bits; it is also not
directly readable or writable. Updates to the PCU
register are performed through the PCLATU register.
The contents of PCLATH and PCLATU are transferred
to the program counter by any operation that writes to
PCL. Similarly, the upper 2 bytes of the program
counter are transferred to PCLATH and PCLATU by an
operation that reads PCL. This is useful for computed
offsets to the PC (see Section 5.1.6.1 “Computed
GOTO”).
The PC addresses bytes in the program memory. To
prevent the PC from becoming misaligned with word
instructions, the Least Significant bit (LSb) of PCL is
fixed to a value of ‘0’. The PC increments by two to
address sequential instructions in the program
memory.
The CALL, RCALL, GOTO and program branch
instructions write to the program counter directly. For
these instructions, the contents of PCLATH and
PCLATU are not transferred to the program counter.
5.1.4
The return address stack allows any combination of up
to 31 program calls and interrupts to occur. The PC is
pushed onto the stack when a CALL or RCALL instruc-
tion is executed, or an interrupt is Acknowledged. The
PC value is pulled off the stack on a RETURN, RETLW
or a RETFIE instruction (and on ADDULNK and
SUBULNK instructions if the extended instruction set is
enabled). PCLATU and PCLATH are not affected by
any of the RETURN or CALL instructions.
FIGURE 5-3:
© 2009 Microchip Technology Inc.
PROGRAM COUNTER
RETURN ADDRESS STACK
Top-of-Stack Registers
TOSU
00h
RETURN ADDRESS STACK AND ASSOCIATED REGISTERS
TOSH
1Ah
TOSL
34h
Top-of-Stack
Return Address Stack <20:0>
001A34h
000D58h
PIC18F46J11 FAMILY
The stack operates as a 31-word by 21-bit RAM and a
5-bit Stack Pointer (SP), STKPTR. The stack space is
not part of either program or data space. The Stack
Pointer is readable and writable, and the address on
the top of the stack is readable and writable through the
Top-of-Stack Special Function Registers (SFRs). Data
can also be pushed to, or popped from, the stack using
these registers.
A CALL type instruction causes a push onto the stack.
The Stack Pointer is first incremented and the location
pointed to by the Stack Pointer is written with the
contents of the PC (already pointing to the instruction
following the CALL). A RETURN type instruction causes
a pop from the stack. The contents of the location
pointed to by the STKPTR are transferred to the PC
and then the Stack Pointer is decremented.
The Stack Pointer is initialized to ‘00000’ after all
Resets. There is no RAM associated with the location
corresponding to a Stack Pointer value of ‘00000’; this
is only a Reset value. Status bits indicate if the stack is
full, has overflowed or has underflowed.
5.1.4.1
Only the top of the return address stack (TOS) is read-
able
TOSU:TOSH:TOSL, holds the contents of the stack
location
(Figure 5-3). This allows users to implement a software
stack if necessary. After a CALL, RCALL or interrupt
(and ADDULNK and SUBULNK instructions if the
extended instruction set is enabled), the software can
read
TOSU:TOSH:TOSL registers. These values can be
placed on a user-defined software stack. At return time,
the
TOSU:TOSH:TOSL and do a return.
The user must disable the global interrupt enable bits
while accessing the stack to prevent inadvertent stack
corruption.
11111
11110
11101
00011
00010
00001
00000
software
and
the
pointed
writable.
Top-of-Stack Access
pushed
can
to
Stack Pointer
STKPTR<4:0>
A
by
return
value
00010
set
the
of
these
by
STKPTR
DS39932C-page 73
three
reading
values
registers,
register
the
to
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