PIC18F458-I/PTG Microchip Technology, PIC18F458-I/PTG Datasheet - Page 41
PIC18F458-I/PTG
Manufacturer Part Number
PIC18F458-I/PTG
Description
IC MCU FLASH 16KX16 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18LF242-ISO.pdf
(36 pages)
3.PIC18F248-ISO.pdf
(402 pages)
4.PIC18F248-ISO.pdf
(8 pages)
Specifications of PIC18F458-I/PTG
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC18LF242-ISO PDF datasheet #2
- PIC18F248-ISO PDF datasheet #3
- PIC18F248-ISO PDF datasheet #4
- Current page: 41 of 402
- Download datasheet (7Mb)
REGISTER 4-1:
FIGURE 4-3:
© 2006 Microchip Technology Inc.
bit 7
bit 6
bit 5
bit 4-0 SP4:SP0: Stack Pointer Location bits
Note 1: No RAM associated with this address; always maintained ‘0’s.
TOSU
00h
STKPTR: STACK POINTER REGISTER
RETURN ADDRESS STACK AND ASSOCIATED REGISTERS
bit 7
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’
Legend:
R = Readable bit
-n = Value at POR
STKFUL
R/C-0
Note:
Bit 7 and bit 6 need to be cleared following a stack underflow or a stack overflow.
TOSH
STKUNF
1Ah
R/C-0
Top-of-Stack
TOSL
34h
W = Writable bit
U-0
‘1’ = Bit is set
—
Return Address Stack
001A34h
000D58h
000000h
R/W-0
SP4
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
11111
11110
11101
00011
00010
00001
00000
R/W-0
SP3
(1)
STKPTR<4:0>
R/W-0
00010
SP2
PIC18FXX8
C = Clearable bit
R/W-0
SP1
DS41159E-page 39
R/W-0
SP0
bit 0
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