参数资料
型号: PIC18F8720-E/PT
厂商: Microchip Technology
文件页数: 14/165页
文件大小: 0K
描述: IC PIC MCU FLASH 64KX16 80TQFP
产品培训模块: Asynchronous Stimulus
标准包装: 119
系列: PIC® 18F
核心处理器: PIC
芯体尺寸: 8-位
速度: 25MHz
连通性: EBI/EMI,I²C,SPI,UART/USART
外围设备: 欠压检测/复位,LVD,POR,PWM,WDT
输入/输出数: 68
程序存储器容量: 128KB(64K x 16)
程序存储器类型: 闪存
EEPROM 大小: 1K x 8
RAM 容量: 3.75K x 8
电压 - 电源 (Vcc/Vdd): 4.2 V ~ 5.5 V
数据转换器: A/D 16x10b
振荡器型: 外部
工作温度: -40°C ~ 125°C
封装/外壳: 80-TQFP
包装: 托盘
配用: XLT80PT3-ND - SOCKET TRAN ICE 80MQFP/TQFP
AC164320-ND - MODULE SKT MPLAB PM3 80TQFP
AC174011-ND - MODULE SKT PROMATEII 80TQFP
PIC18F6520/8520/6620/8620/6720/8720
DS39609B-page 108
2004 Microchip Technology Inc.
TABLE 10-3:
PORTB FUNCTIONS
TABLE 10-4:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
Name
Bit#
Buffer
Function
RB0/INT0
bit 0
TTL/ST(1)
Input/output pin or external interrupt input 0.
Internal software programmable weak pull-up.
RB1/INT1
bit 1
TTL/ST(1)
Input/output pin or external interrupt input 1.
Internal software programmable weak pull-up.
RB2/INT2
bit 2
TTL/ST(1)
Input/output pin or external interrupt input 2.
Internal software programmable weak pull-up.
RB3/INT3/CCP2(3)
bit 3
TTL/ST(4)
Input/output pin or external interrupt input 3. Capture2 input/Compare2
output/PWM output (when CCP2MX configuration bit is enabled, all
PIC18F8X20 operating modes except Microcontroller mode).
Internal software programmable weak pull-up.
RB4/KBI0
bit 4
TTL
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up.
RB5/KBI1/PGM
bit 5
TTL/ST(2)
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up.
Low-voltage ICSP enable pin.
RB6/KBI2/PGC
bit 6
TTL/ST(2)
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up.
Serial programming clock.
RB7/KBI3/PGD
bit 7
TTL/ST(2)
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up.
Serial programming data.
Legend: TTL = TTL input, ST = Schmitt Trigger input
Note 1:
This buffer is a Schmitt Trigger input when configured as the external interrupt.
2:
This buffer is a Schmitt Trigger input when used in Serial Programming mode.
3:
RC1 is the alternate assignment for CCP2 when CCP2MX is not set (all operating modes except
Microcontroller mode).
4:
This buffer is a Schmitt Trigger input when configured as the CCP2 input.
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
Value on
all other
Resets
PORTB
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0
xxxx xxxx
uuuu uuuu
LATB
LATB Data Output Register
xxxx xxxx
uuuu uuuu
TRISB
PORTB Data Direction Register
1111 1111
INTCON
GIE/
GIEH
PEIE/
GIEL
TMR0IE
INT0IE
RBIE
TMR0IF
INT0IF
RBIF
0000 0000
INTCON2
RBPU
INTEDG0 INTEDG1
INTEDG2
INTEDG3
TMR0IP
INT3IP
RBIP
1111 1111
INTCON3
INT2IP
INT1IP
INT3IE
INT2IE
INT1IE
INT3IF
INT2IF
INT1IF
1100 0000
Legend:
x
= unknown, u = unchanged. Shaded cells are not used by PORTB.
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