參數(shù)資料
型號(hào): PIC16C765-I/PT
廠商: Microchip Technology
文件頁(yè)數(shù): 165/165頁(yè)
文件大?。?/td> 0K
描述: IC MCU OTP 8KX14 USB 44TQFP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 160
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 24MHz
連通性: SCI,UART/USART,USB
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 33
程序存儲(chǔ)器容量: 14KB(8K x 14)
程序存儲(chǔ)器類型: OTP
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 4.35 V ~ 5.25 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x8b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
產(chǎn)品目錄頁(yè)面: 636 (CN2011-ZH PDF)
配用: XLT44PT3-ND - SOCKET TRAN ICE 44MQFP/TQFP
AC164305-ND - MODULE SKT FOR PM3 44TQFP
ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING
444-1001-ND - DEMO BOARD FOR PICMICRO MCU
AC164020-ND - MODULE SKT PROMATEII 44TQFP
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2000 Microchip Technology Inc.
Preliminary
DS41124C-page 99
PIC16C745/765
13.0
SPECIAL FEATURES OF THE
CPU
What sets a microcontroller apart from other proces-
sors are special circuits to deal with the needs of real-
time applications. The PIC16C745/765 family has a
host of such features intended to maximize system reli-
ability, minimize cost through elimination of external
components, provide power saving operating modes
and offer code protection. These are:
Oscillator selection
Reset
- Power-on Reset (POR)
- Power-up Timer (PWRT)
- Oscillator Start-up Timer (OST)
- Brown-out Reset (BOR)
Interrupts
Watchdog Timer (WDT)
SLEEP
Code protection
ID locations
In-Circuit Serial Programming (ICSP)
The PIC16C745/765 has a Watchdog Timer, which can
be shut off only through configuration bits. It runs off its
own dedicated RC oscillator for added reliability. There
are two timers that offer necessary delays on power-up.
One is the Oscillator Start-up Timer (OST), intended to
keep the chip in RESET until the crystal oscillator is sta-
ble. The other is the Power-up Timer (PWRT), which
provides a fixed delay of 72 ms (nominal) on power-up
only and is designed to keep the part in RESET, while
the power supply stabilizes. With these two timers on-
chip, most applications need no external RESET
circuitry.
SLEEP mode is designed to offer a very low current
power-down mode. The user can wake-up from SLEEP
through external RESET, WDT wake-up or through an
interrupt. Several oscillator options are also made
available to allow the part to fit the application. The EC
oscillator allows the user to directly drive the microcon-
troller, while the HS oscillator allows the use of a high
speed crystal/resonator. A set of configuration bits are
used to select various options.
13.1
Configuration Bits
The configuration bits can be programmed (read as '0')
or left unprogrammed (read as '1') to select various
device configurations. These bits are mapped in pro-
gram memory location 2007h.
The user will note that address 2007h is beyond the user
program memory space. In fact, it belongs to the special
test/configuration memory space (2000h - 3FFFh),
which can be accessed only during programming.
REGISTER 13-1: CONFIGURATION WORD
CP1
CP0
CP1
CP0
CP1
CP0
CP1
CP0
PWRTE WDTE FOSC1 FOSC0
Register:
CONFIG
Address
2007h
bit13
bit0
bit 13-12: CP<1:0>: Code Protection bits(1)
11-10: 00 = All memory is code protected
9-8:
01
= Upper 3/4th of program memory code protected
5-4:
10
= Upper half of program memory code protected
11
= Code protection off
bit 7-6:
Unimplemented: Read as ’1’
bit 3:
PWRTE: Power-up Timer Enable bit
1 = PWRT disabled No delay after Power-up Reset or Brown-out Reset
0 = PWRT enabled A delay of 4x WDT (72 ms) is present after Power-up and Brown-out
bit 2:
WDTE: Watchdog Timer Enable bit
1 = WDT enabled
0 = WDT disabled
bit 1-0:
FOSC<1:0>: Oscillator Selection
00
= HS - HS osc
01
= EC - External clock. CLKOUT on OSC2 pin
10
= H4 - HS osc with 4x PLL enabled
11
= E4 - External clock with 4x PLL enabled. CLKOUT on OSC2 pin
Note 1:
All of the CP<1:0> pairs have to be given the same value to enable the code protection scheme listed.
745cov.book Page 99 Wednesday, August 2, 2000 8:24 AM
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PIC16C765T-I/L 功能描述:8位微控制器 -MCU 14KB 256 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC16C765T-I/PT 功能描述:8位微控制器 -MCU 14KB 256 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC16C76T-04/SO 功能描述:8位微控制器 -MCU 14KB 368 RAM 22 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC16C76T-04E/SO 功能描述:8位微控制器 -MCU 14KB 368 RAM 22 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC16C76T-04I/SO 功能描述:8位微控制器 -MCU 14KB 368 RAM 22 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT