参数资料
型号: PIC12F519-I/MC
厂商: Microchip Technology
文件页数: 20/96页
文件大小: 0K
描述: IC PIC MCU FLASH 1KX12 8DFN
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 150
系列: PIC® 12F
核心处理器: PIC
芯体尺寸: 8-位
速度: 8MHz
外围设备: POR,WDT
输入/输出数: 5
程序存储器容量: 1.5KB(1K x 12)
程序存储器类型: 闪存
RAM 容量: 41 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-VFDFN 裸露焊盘
包装: 管件
产品目录页面: 637 (CN2011-ZH PDF)
配用: AC164334-ND - MODULE SOCKET FOR 8L 2X3MM DFN
XLT08DFN2-ND - SOCKET TRANSITION ICE 14DIP/8DFN
2008 Microchip Technology Inc.
DS41319B-page 25
PIC12F519
6.3
I/O Interfacing
The equivalent circuit for an I/O port pin is shown in
Figure 6-1. All port pins, except GP3 which is input
only, may be used for both input and output operations.
For input operations, these ports are non-latching. Any
input must be present until read by an input instruction
(e.g., MOVF GPIO, W). The outputs are latched and
remain unchanged until the output latch is rewritten. To
use a port pin as output, the corresponding direction
control bit in TRISGPIO must be cleared (= 0). For use
as an input, the corresponding TRISGPIO bit must be
set. Any I/O pin (except GP3) can be programmed
individually as input or output.
FIGURE 6-1:
PIC12F519 EQUIVALENT CIRCUIT FOR I/O PINS – GP0/GP1
VDD
I/O
Pin
VSS
Pin Change
Q
D
Wake-up
on change
Latch
Q
D
Q
D
CK
Q
Data Latch
TRIS Latch
RD Port
TRIS ‘F’
WREG
WR
Data
GPPU
CK
GP0/ICSPDAT
GP1/ICSPCLK
General purpose I/O
In-Circuit Serial Programming data
In-circuit Serial Programming clock
Wake-up on input change trigger
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