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| 型號： | PIC16CR620A |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | 8位微控制器 |
| 英文描述： | EPROM-Based 8-Bit CMOS Microcontroller |
| 中文描述： | 存儲器為基礎(chǔ)的8位CMOS微控制器 |
| 文件頁數(shù)： | 101/108頁 |
| 文件大?。?/td> | 645K |
| 代理商： | PIC16CR620A |
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1998 Microchip Technology Inc.
Preliminary
DS30235G-page 101
PIC16C62X
APPENDIX A: ENHANCEMENTS
The following are the list of enhancements over the
PIC16C5X microcontroller family:
1.
Instruction word length is increased to 14 bits.
This allows larger page sizes both in program
memory (4K now as opposed to 512 before) and
register file (up to 128 bytes now versus 32
bytes before).
2.
A PC high latch register (PCLATH) is added to
handle program memory paging. PA2, PA1, PA0
bits are removed from STATUS register.
3.
Data memory paging is slightly redefined.
STATUS register is modified.
4.
Four new instructions have been added:
RETURN
,
RETFIE
,
ADDLW
, and
SUBLW
.
Two instructions
TRIS
and
OPTION
are being
phased out although they are kept for
compatibility with PIC16C5X.
5.
OPTION and TRIS registers are made
addressable.
6.
Interrupt capability is added. Interrupt vector is
at 0004h.
7.
Stack size is increased to 8 deep.
8.
Reset vector is changed to 0000h.
9.
Reset of all registers is revisited. Five different
reset (and wake-up) types are recognized.
Registers are reset differently.
10. Wake up from SLEEP through interrupt is
added.
11. Two separate timers, Oscillator Start-up Timer
(OST) and Power-up Timer (PWRT) are
included for more reliable power-up. These
timers are invoked selectively to avoid
unnecessary delays on power-up and wake-up.
12. PORTB has weak pull-ups and interrupt on
change feature.
13. Timer0 clock input, T0CKI pin is also a port pin
(RA4/T0CKI) and has a TRIS bit.
14. FSR is made a full 8-bit register.
15. “In-circuit programming” is made possible. The
user can program PIC16CXX devices using only
five pins: V
DD
, V
SS
, /V
PP
, RB6 (clock) and RB7
(data in/out).
16. PCON status register is added with a
Power-on-Reset (POR) status bit and a
Brown-out Reset status bit (BOR).
17. Code protection scheme is enhanced such that
portions of the program memory can be
protected, while the remainder is unprotected.
18. PORTA inputs are now Schmitt Trigger inputs.
19. Brown-out Reset reset has been added.
20. Common RAM registers F0h-FFh implemented
in bank1.
APPENDIX B: COMPATIBILITY
To convert code written for PIC16C5X to PIC16CXX,
the user should take the following steps:
1.
Remove any program memory page select
operations (PA2, PA1, PA0 bits) for
CALL
,
GOTO
.
2.
Revisit any computed jump operations (write to
PC or add to PC, etc.) to make sure page bits
are set properly under the new scheme.
3.
Eliminate any data memory page switching.
Redefine data variables to reallocate them.
4.
Verify all writes to STATUS, OPTION, and FSR
registers since these have changed.
5.
Change reset vector to 0000h.
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相關(guān)代理商/技術(shù)參數(shù) |
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| PIC16CR620AT-04I/SO | 制造商:Microchip Technology Inc 功能描述: |
| PIC16CR73-I/ML | 功能描述:IC PIC MCU 4KX14 28QFN RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:PIC® 16C 產(chǎn)品培訓(xùn)模塊:XLP Deep Sleep Mode 8-bit PIC® Microcontroller Portfolio 標準包裝:22 系列:PIC® XLP™ 18F 核心處理器:PIC 芯體尺寸:8-位 速度:48MHz 連通性:I²C，SPI，UART/USART，USB 外圍設(shè)備:欠壓檢測/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):14 程序存儲器容量:8KB（4K x 16） 程序存儲器類型:閃存 EEPROM 大小:256 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:20-DIP（0.300"，7.62mm） 包裝:管件 產(chǎn)品目錄頁面:642 (CN2011-ZH PDF) 配用:DV164126-ND - KIT DEVELOPMENT USB W/PICKIT 2DM164127-ND - KIT DEVELOPMENT USB 18F14/13K50AC164112-ND - VOLTAGE LIMITER MPLAB ICD2 VPP |
| PIC16CR73-I/SO | 功能描述:IC PIC MCU 4KX14 28SOIC RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:PIC® 16C 產(chǎn)品培訓(xùn)模塊:XLP Deep Sleep Mode 8-bit PIC® Microcontroller Portfolio 標準包裝:22 系列:PIC® XLP™ 18F 核心處理器:PIC 芯體尺寸:8-位 速度:48MHz 連通性:I²C，SPI，UART/USART，USB 外圍設(shè)備:欠壓檢測/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):14 程序存儲器容量:8KB（4K x 16） 程序存儲器類型:閃存 EEPROM 大小:256 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:20-DIP（0.300"，7.62mm） 包裝:管件 產(chǎn)品目錄頁面:642 (CN2011-ZH PDF) 配用:DV164126-ND - KIT DEVELOPMENT USB W/PICKIT 2DM164127-ND - KIT DEVELOPMENT USB 18F14/13K50AC164112-ND - VOLTAGE LIMITER MPLAB ICD2 VPP |
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