参数资料
型号: PIC16F74T-I/PT
厂商: Microchip Technology
文件页数: 3/104页
文件大小: 0K
描述: IC MCU FLASH 4KX14 A/D 44TQFP
产品培训模块: Asynchronous Stimulus
标准包装: 1,200
系列: PIC® 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 33
程序存储器容量: 7KB(4K x 14)
程序存储器类型: 闪存
RAM 容量: 192 x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 5.5 V
数据转换器: A/D 8x8b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-TQFP
包装: 带卷 (TR)
2002 Microchip Technology Inc.
DS30325B-page 9
PIC16F7X
PORTB is a bi-directional I/O port. PORTB can be software
programmed for internal weak pull-up on all inputs.
RB0/INT
RB0
INT
21
18
I/O
I
TTL/ST(1)
Digital I/O.
External interrupt.
RB1
22
19
I/O
TTL
Digital I/O.
RB2
23
20
I/O
TTL
Digital I/O.
RB3/PGM
RB3
PGM
24
21
I/O
TTL
Digital I/O.
Low voltage ICSP programming enable pin.
RB4
25
22
I/O
TTL
Digital I/O.
RB5
26
23
I/O
TTL
Digital I/O.
RB6/PGC
RB6
PGC
27
24
I/O
TTL/ST(2)
Digital I/O.
In-Circuit Debugger and ICSP programming clock.
RB7/PGD
RB7
PGD
28
25
I/O
TTL/ST(2)
Digital I/O.
In-Circuit Debugger and ICSP programming data.
PORTC is a bi-directional I/O port.
RC0/T1OSO/T1CKI
RC0
T1OSO
T1CKI
11
8
I/O
O
I
ST
Digital I/O.
Timer1 oscillator output.
Timer1 external clock input.
RC1/T1OSI/CCP2
RC1
T1OSI
CCP2
12
9
I/O
I
I/O
ST
Digital I/O.
Timer1 oscillator input.
Capture2 input, Compare2 output, PWM2 output.
RC2/CCP1
RC2
CCP1
13
10
I/O
ST
Digital I/O.
Capture1 input/Compare1 output/PWM1 output.
RC3/SCK/SCL
RC3
SCK
SCL
14
11
I/O
ST
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I2C mode.
RC4/SDI/SDA
RC4
SDI
SDA
15
12
I/O
I
I/O
ST
Digital I/O.
SPI data in.
I2C data I/O.
RC5/SDO
RC5
SDO
16
13
I/O
O
ST
Digital I/O.
SPI data out.
RC6/TX/CK
RC6
TX
CK
17
14
I/O
O
I/O
ST
Digital I/O.
USART asynchronous transmit.
USART 1 synchronous clock.
RC7/RX/DT
RC7
RX
DT
18
15
I/O
I
I/O
ST
Digital I/O.
USART asynchronous receive.
USART synchronous data.
VSS
8, 19
5, 16
P
Ground reference for logic and I/O pins.
VDD
20
17
P
Positive supply for logic and I/O pins.
TABLE 1-2:
PIC16F73 AND PIC16F76 PINOUT DESCRIPTION (CONTINUED)
Pin Name
DIP
SSOP
SOIC
Pin#
MLF
Pin#
I/O/P
Type
Buffer
Type
Description
Legend:
I = input
O = output
I/O = input/output
P = power
— = Not used
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:
This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.
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