PIC18F8621-E/PT Microchip Technology, PIC18F8621-E/PT Datasheet - Page 150
PIC18F8621-E/PT
Manufacturer Part Number
PIC18F8621-E/PT
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,80PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F6525-IPT.pdf
(396 pages)
3.PIC18F6525-IPT.pdf
(8 pages)
4.PIC18F6525-IPT.pdf
(38 pages)
Specifications of PIC18F8621-E/PT
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
69
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.75K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
80-TFQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPAC164320 - MODULE SKT MPLAB PM3 80TQFPAC174011 - MODULE SKT PROMATEII 80TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F8621-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F6525-IPT PDF datasheet #2
- PIC18F6525-IPT PDF datasheet #3
- PIC18F6525-IPT PDF datasheet #4
- Current page: 150 of 396
- Download datasheet (8Mb)
PIC18F6525/6621/8525/8621
15.2
The Timer4 module has an 8-bit period register, PR4,
which is both readable and writable. Timer4 increments
from 00h until it matches PR4 and then resets to 00h on
the next increment cycle. The PR4 register is initialized
to FFh upon Reset.
FIGURE 15-1:
TABLE 15-1:
DS39612B-page 148
INTCON GIE/GIEH PEIE/GIEL
IPR3
PIR3
PIE3
TMR4
T4CON
PR4
Legend:
Name
Timer4 Interrupt
Timer4 Register
Timer4 Period Register
F
x = unknown, u = unchanged, — = unimplemented, read as ‘0’. Shaded cells are not used by the Timer4 module.
Bit 7
OSC
—
—
—
—
/4
REGISTERS ASSOCIATED WITH TIMER4 AS A TIMER/COUNTER
T4OUTPS3 T4OUTPS2 T4OUTPS1 T4OUTPS0 TMR4ON T4CKPS1 T4CKPS0 -000 0000 -000 0000
TIMER4 BLOCK DIAGRAM
Bit 6
—
—
—
T4CKPS1:T4CKPS0
1:1, 1:4, 1:16
Prescaler
TMR0IE
RC2IP
RC2IF
RC2IE
Bit 5
2
INT0IE
TX2IP
TX2IF
TX2IE
Bit 4
Comparator
TMR4
PR4
TMR4IP
TMR4IF
TMR4IE
RBIE
Bit 3
EQ
15.3
The output of TMR4 (before the postscaler) is used
only as a PWM time base for the CCP modules. It is not
used as a baud rate clock for the MSSP, as is the
Timer2 output.
Reset
T4OUTPS3:T4OUTPS0
TMR0IF
CCP5IP
CCP5IF
CCP5IE
Bit 2
Postscaler
1:1 to 1:16
Output of TMR4
Output
TMR4
CCP4IP
CCP4IE
4
CCP4IF
INT0IF
Bit 1
CCP3IP --11 1111 --00 0000
CCP3IE --00 0000 --00 0000
CCP3IF --00 0000 --00 0000
RBIF
2005 Microchip Technology Inc.
Bit 0
bit TMR4IF
Sets Flag
0000 000x 0000 000u
0000 0000 0000 0000
1111 1111 1111 1111
POR, BOR
Value on
Value on
all other
Resets
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