參數(shù)資料
型號： PIC16F74-E/ML
廠商： Microchip Technology
文件頁數(shù)： 45/104頁
文件大?。?/td> 0K
描述： IC MCU FLASH 4KX14 A/D 44QFN
標準包裝： 45
系列： PIC® 16F
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/復位，POR，PWM，WDT
輸入/輸出數(shù)： 33
程序存儲器容量： 7KB（4K x 14）
程序存儲器類型： 閃存
RAM 容量： 192 x 8
電壓 - 電源 (Vcc/Vdd)： 4 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x8b
振蕩器型： 外部
工作溫度： -40°C ~ 125°C
封裝/外殼： 44-VQFN 裸露焊盤
包裝： 管件
2002 Microchip Technology Inc.
DS30325B-page 35
PIC16F7X
4.3
PORTC and the TRISC Register
PORTC is an 8-bit wide, bi-directional port. The corre-
sponding data direction register is TRISC. Setting a
TRISC bit (= ‘1’) will make the corresponding PORTC
pin an input (i.e., put the corresponding output driver in
a Hi-Impedance mode). Clearing a TRISC bit (= ‘0’) will
make the corresponding PORTC pin an output (i.e., put
the contents of the output latch on the selected pin).
PORTC is multiplexed with several peripheral functions
(Table 4-5). PORTC pins have Schmitt Trigger input
buffers.
When enabling peripheral functions, care should be
taken in defining TRIS bits for each PORTC pin. Some
peripherals override the TRIS bit to make a pin an
output, while other peripherals override the TRIS bit to
make a pin an input. Since the TRIS bit override is
in
effect
while
the
peripheral
is
enabled,
read-modify-write instructions (BSF,
BCF,
XORWF
)
with TRISC as destination should be avoided. The user
should refer to the corresponding peripheral section for
the correct TRIS bit settings, and to Section 13.1 for
additional information on read-modify-write operations.
FIGURE 4-5:
PORTC BLOCK DIAGRAM
(PERIPHERAL OUTPUT
OVERRIDE)
TABLE 4-5:
PORTC FUNCTIONS
TABLE 4-6:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTC
Port/Peripheral Select(2)
Data Bus
WR Port
WR TRIS
RD Port
Data Latch
TRIS Latch
RD TRIS
Schmitt
Trigger
Q
D
Q
CK
QD
EN
Peripheral Data Out
0
1
Q
D
Q
CK
P
N
VDD
VSS
Peripheral
OE(3)
Peripheral Input
Note 1: I/O pins have diode protection to VDD and VSS.
2: Port/Peripheral select signal selects between port data
and peripheral output.
3: Peripheral OE (output enable) is only activated if
peripheral select is active.
I/O
pin(1)
Name
Bit#
Buffer Type
Function
RC0/T1OSO/T1CKI
bit0
ST
Input/output port pin or Timer1 oscillator output/Timer1 clock input.
RC1/T1OSI/CCP2
bit1
ST
Input/output port pin or Timer1 oscillator input or Capture2
input/Compare2 output/PWM2 output.
RC2/CCP1
bit2
ST
Input/output port pin or Capture1 input/Compare1 output/PWM1 output.
RC3/SCK/SCL
bit3
ST
RC3 can also be the synchronous serial clock for both SPI and I2C
modes.
RC4/SDI/SDA
bit4
ST
RC4 can also be the SPI Data In (SPI mode) or Data I/O (I2C mode).
RC5/SDO
bit5
ST
Input/output port pin or Synchronous Serial Port data output.
RC6/TX/CK
bit6
ST
Input/output port pin or USART Asynchronous Transmit or
Synchronous Clock.
RC7/RX/DT
bit7
ST
Input/output port pin or USART Asynchronous Receive or
Synchronous Data.
Legend: ST = Schmitt Trigger input
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
07h
PORTC
RC7
RC6
RC5
RC4
RC3
RC2
RC1
RC0
xxxx xxxx uuuu uuuu
87h
TRISC
PORTC Data Direction Register
1111 1111 1111 1111
Legend: x = unknown, u = unchanged
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參數(shù)描述
PIC16F74-I/L 功能描述:8位微控制器 -MCU 7KB 192 RAM 33 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F74-I/L 制造商:Microchip Technology Inc 功能描述:8BIT FLASH MCU SMD 16F74 PLCC44
PIC16F74-I/L 制造商:Microchip Technology Inc 功能描述:Microcontroller IC Number of I/Os:33
PIC16F74-I/ML 功能描述:8位微控制器 -MCU 7KB 192 RAM 33 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F74-I/P 功能描述:8位微控制器 -MCU 7KB 192 RAM 33 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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