PIC18F6527-I/PT Microchip Technology, PIC18F6527-I/PT Datasheet - Page 69
![IC PIC MCU FLASH 24KX16 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F6527-I/PT
Manufacturer Part Number
PIC18F6527-I/PT
Description
IC PIC MCU FLASH 24KX16 64TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.DV164136.pdf
(446 pages)
3.PIC18F8627T-IPT.pdf
(44 pages)
4.PIC18F6527-IPT.pdf
(10 pages)
5.PIC18F8622-IPT.pdf
(448 pages)
Specifications of PIC18F6527-I/PT
Program Memory Type
FLASH
Program Memory Size
48KB (24K x 16)
Package / Case
64-TFQFP
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
54
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 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3936 B
Interface Type
SPI/I2C/EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
54
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, ICE2000, ICE4000, DV164136, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
12-ch x 10-bit
Package
64TQFP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT64PT5 - SOCKET TRAN ICE 64MQFP/TQFPAC164319 - MODULE SKT MPLAB PM3 64TQFPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
PIC18F6527-I/PT
Manufacturer:
NOVACAP
Quantity:
20 000
Company:
Part Number:
PIC18F6527-I/PT
Manufacturer:
Microchi
Quantity:
1 760
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Manufacturer:
MICROCHIP
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Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F6527-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- DV164136 PDF datasheet #2
- PIC18F8627T-IPT PDF datasheet #3
- PIC18F6527-IPT PDF datasheet #4
- PIC18F8622-IPT PDF datasheet #5
- Current page: 69 of 446
- Download datasheet (7Mb)
5.1.3.2
The STKPTR register (Register 5-1) contains the Stack
Pointer value, the STKFUL (Stack Full) status bit and
the STKUNF (Stack Underflow) status bits. The value
of the Stack Pointer can be 0 through 31. The Stack
Pointer increments before values are pushed onto the
stack and decrements after values are popped off the
stack. On Reset, the Stack Pointer value will be zero.
The user may read and write the Stack Pointer value.
This feature can be used by a Real-Time Operating
System (RTOS) for return stack maintenance.
After the PC is pushed onto the stack 31 times (without
popping any values off the stack), the STKFUL bit is
set. The STKFUL bit is cleared by software or by a
POR.
The action that takes place when the stack becomes
full depends on the state of the STVREN (Stack Over-
flow Reset Enable) Configuration bit. (Refer to
Section 25.1 “Configuration Bits” for a description of
the device Configuration bits.) If STVREN is set
(default), the 31st PUSH will push the (PC + 2) value
onto the stack, set the STKFUL bit and reset the
device. The STKFUL bit will remain set and the Stack
Pointer will be set to zero.
If STVREN is cleared, the STKFUL bit will be set on the
31st PUSH and the Stack Pointer will increment to 31.
Any additional pushes will not overwrite the 31st PUSH
and STKPTR will remain at 31.
REGISTER 5-1:
© 2008 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4-0
Note 1:
STKFUL
R/C-0
(1)
Bit 7 and bit 6 are cleared by user software or by a POR.
Return Stack Pointer (STKPTR)
STKFUL: Stack Full Flag bit
1 = Stack became full or overflowed
0 = Stack has not become full or overflowed
STKUNF: Stack Underflow Flag bit
1 = Stack underflow occurred
0 = Stack underflow did not occur
Unimplemented: Read as ‘0’
SP<4:0>: Stack Pointer Location bits
STKUNF
R/C-0
STKPTR: STACK POINTER REGISTER
(1)
W = Writable bit
‘1’ = Bit is set
U-0
—
(1)
R/W-0
SP4
(1)
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
When the stack has been popped enough times to
unload the stack, the next POP will return a value of
zero to the PC and set the STKUNF bit, while the Stack
Pointer remains at zero. The STKUNF bit will remain
set until cleared by software or until a POR occurs.
5.1.3.3
Since the Top-of-Stack is readable and writable, the
ability to push values onto the stack and pull values off
the stack without disturbing normal program execution
is a desirable feature. The PIC18 instruction set
includes two instructions, PUSH and POP, that permit
the TOS to be manipulated under software control.
TOSU, TOSH and TOSL can be modified to place data
or a return address on the stack.
The PUSH instruction places the current PC value onto
the stack. This increments the Stack Pointer and loads
the current PC value onto the stack.
The POP instruction discards the current TOS by decre-
menting the Stack Pointer. The previous value pushed
onto the stack then becomes the TOS value.
SP3
PIC18F8722 FAMILY
Note:
Returning a value of zero to the PC on an
underflow has the effect of vectoring the
program to the Reset vector, where the
stack conditions can be verified and
appropriate actions can be taken. This is
not the same as a Reset, as the contents
of the SFRs are not affected.
PUSH and POP Instructions
R/W-0
SP2
x = Bit is unknown
R/W-0
SP1
DS39646C-page 67
R/W-0
SP0
bit 0
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