參數(shù)資料
型號: PIC16CR77-I/ML
廠商: Microchip Technology
文件頁數(shù): 103/172頁
文件大?。?/td> 0K
描述: IC PIC MCU 8KX14 44QFN
標(biāo)準(zhǔn)包裝: 45
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 33
程序存儲器容量: 14KB(8K x 14)
程序存儲器類型: ROM
RAM 容量: 368 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-VQFN 裸露焊盤
包裝: 管件
PIC16CR7X
DS21993C-page 34
2007 Microchip Technology Inc.
TABLE 4-3:
PORTB FUNCTIONS
TABLE 4-4:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
Name
Bit#
Buffer
Function
RB0/INT
bit 0
TTL/ST(1)
Input/output pin or external interrupt input. Internal software
programmable weak pull-up.
RB1
bit 1
TTL
Input/output pin. Internal software programmable weak pull-up.
RB2
bit 2
TTL
Input/output pin. Internal software programmable weak pull-up.
RB3
bit 3
TTL
Input/output pin. Internal software programmable weak pull-up.
RB4
bit 4
TTL
Input/output pin (with interrupt-on-change). Internal software programmable
weak pull-up.
RB5
bit 5
TTL
Input/output pin (with interrupt-on-change). Internal software programmable
weak pull-up.
RB6
bit 6
TTL
Input/output pin (with interrupt-on-change). Internal software programmable
weak pull-up.
RB7
bit 7
TTL
Input/output pin (with interrupt-on-change). Internal software programmable
weak pull-up.
Legend:
TTL = TTL input, ST = Schmitt Trigger input
Note 1:
This buffer is a Schmitt Trigger input when configured as the external interrupt.
Address
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
06h, 106h
PORTB
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0
xxxx xxxx
uuuu uuuu
86h, 186h
TRISB
PORTB Data Direction Register
1111 1111
81h, 181h
OPTION_REG
RBPU
INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
Legend:
x
= unknown, u = unchanged. Shaded cells are not used by PORTB.
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