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参数资料
| 型号： | PIC16C505-04E/SL |
| 厂商： | Microchip Technology |
| 文件页数： | 20/90页 |
| 文件大小： | 0K |
| 描述： | IC MCU OTP 1KX12 14SOIC |
| 产品培训模块： | Asynchronous Stimulus |
| 标准包装： | 57 |
| 系列： | PIC® 16C |
| 核心处理器： | PIC |
| 芯体尺寸： | 8-位 |
| 速度： | 4MHz |
| 外围设备： | POR，WDT |
| 输入/输出数： | 11 |
| 程序存储器容量： | 1.5KB（1K x 12） |
| 程序存储器类型： | OTP |
| RAM 容量： | 72 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 3 V ~ 5.5 V |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 配用： | 309-1086-ND - ADAPTER 14-ZIF BD W/14-SO PLUGS 309-1085-ND - ADAPTER 14-DIP BD W/2 14-SO PLUG 309-1001-ND - ADAPTER 14-SOIC TO 14-DIP 309-1000-ND - ADAPTER 14-SOIC TO 14-DIP |
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1999-2012 Microchip Technology Inc.
DS40192D-page 27
PIC16C505
7.0
SPECIAL FEATURES OF THE
CPU
What
sets
a
microcontroller
apart
from
other
processors are special circuits to deal with the needs
of
real-time
applications.
The
PIC16C505
microcontroller has a host of such features intended to
maximize system reliability, minimize cost through
elimination of external components, provide power
saving operating modes and offer code protection.
These features are:
Oscillator selection
Reset
- Power-On Reset (POR)
- Device Reset Timer (DRT)
- Wake-up from SLEEP on pin change
Watchdog Timer (WDT)
SLEEP
Code protection
ID locations
In-circuit Serial Programming
Clock Out
The PIC16C505 has a Watchdog Timer, which can be
shut off only through configuration bit WDTE. It runs
off of its own RC oscillator for added reliability. If using
HS, XT or LP selectable oscillator options, there is
always an 18 ms (nominal) delay provided by the
Device Reset Timer (DRT), intended to keep the chip
in reset until the crystal oscillator is stable. If using
INTRC or EXTRC, there is an 18 ms delay only on VDD
power-up. With this timer on-chip, most applications
need no external reset circuitry.
The SLEEP mode is designed to offer a very low
current power-down mode. The user can wake-up
from SLEEP through a change on input pins or
through a Watchdog Timer time-out. Several oscillator
options are also made available to allow the part to fit
the application, including an internal 4 MHz oscillator.
The EXTRC oscillator option saves system cost while
the
LP
crystal option saves
power. A
set of
configuration bits are used to select various options.
7.1
Configuration Bits
The PIC16C505 configuration word consists of 12 bits.
Configuration bits can be programmed to select
various device configurations. Three bits are for the
selection of the oscillator type, one bit is the Watchdog
Timer enable bit, and one bit is the MCLR enable bit.
Seven bits are for code protection (Register 7-1).
REGISTER 7-1:
CONFIGURATION WORD FOR PIC16C505
CP
MCLRE
CP
WDTE FOSC2 FOSC1 FOSC0
Register:
CONFIG
Address(2):
0FFFh
bit11
10
9
87
65
43
21
bit0
bit 11-6, 4: CP Code Protection bits (1)(2)(3)
bit 5:
MCLRE: RB3/MCLR pin function select
1
= RB3/MCLR pin function is MCLR
0
= RB3/MCLR pin function is digital I/O, MCLR internally tied to VDD
bit 3:
WDTE: Watchdog timer enable bit
1
= WDT enabled
0
= WDT disabled
bit 2-0:
FOSC<1:0>: Oscillator Selection bits
111
= external RC oscillator/CLKOUT function on RB4/OSC2/CLKOUT pin
110
= external RC oscillator/RB4 function on RB4/OSC2/CLKOUT pin
101
= internal RC oscillator/CLKOUT function on RB4/OSC2/CLKOUT pin
100
= internal RC oscillator/RB4 function on RB4/OSC2/CLKOUT pin
011
= invalid selection
010
= HS oscillator
001
= XT oscillator
000
= LP oscillator
Note 1:
03FFh is always uncode protected on the PIC16C505. This location contains the
MOVLWxx
calibration instruction for the INTRC.
2:
Refer to the PIC16C505 Programming Specifications to determine how to access the con-
figuration word. This register is not user addressable during device operation.
3:
All code protect bits must be written to the same value.
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| PIC16C505-04I/P | 功能描述:8位微控制器 -MCU 1.5KB 72 RAM 12 I/O 4MHz Ind Temp PDIP14 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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