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參數(shù)資料
| 型號： | PIC18F66J16-I/PT |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 74/107頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PIC MCU FLASH 48KX16 64TQFP |
| 產(chǎn)品培訓(xùn)模塊： | Asynchronous Stimulus PIC18 J Series MCU Overview 8-bit PIC® Microcontroller Portfolio |
| 標(biāo)準(zhǔn)包裝： | 160 |
| 系列： | PIC® 18F |
| 核心處理器： | PIC |
| 芯體尺寸： | 8-位 |
| 速度： | 48MHz |
| 連通性： | I²C，SPI，UART/USART |
| 外圍設(shè)備： | 欠壓檢測/復(fù)位，LVD，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 52 |
| 程序存儲器容量： | 96KB（48K x 16） |
| 程序存儲器類型： | 閃存 |
| RAM 容量： | 3930 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2 V ~ 3.6 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： | 64-TQFP |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 644 (CN2011-ZH PDF) |
| 配用： | AC162091-ND - HEADER MPLAB ICD2 18F87J11 64/80 MA180020-ND - MODULE PLUG-IN HPC EXPL 18F87J11 AC164327-ND - MODULE SKT FOR 64TQFP |
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2007-2012 Microchip Technology Inc.
DS39778E-page 69
PIC18F87J11 FAMILY
6.1.3
PIC18F8XJ11/8XJ16 PROGRAM
MEMORY MODES
The 80-pin devices in this family can address up to a
total of 2 Mbytes of program memory. This is achieved
through the External Memory Bus (EMB). There are two
distinct operating modes available to the controllers:
Microcontroller (MC)
Extended Microcontroller (EMC)
The program memory mode is determined by setting
the EMBx Configuration bits (CONFIG3L<5:4>), as
shown in Register 6-1. (See also Section 25.1
for additional details on the
device Configuration bits.)
The program memory modes operate as follows:
The Microcontroller Mode accesses only on-chip
Flash memory. Attempts to read above the top of
on-chip memory causes a read of all ‘0’s (a NOP
instruction).
The Microcontroller mode is also the only operating
mode available to 64-pin devices.
The Extended Microcontroller Mode allows
access to both internal and external program
memories as a single block. The device can
access its entire on-chip program memory; above
this, the device accesses external program
memory up to the 2-Mbyte program space limit.
Execution automatically switches between the
two memories as required.
The setting of the EMBx Configuration bits also con-
trols the address bus width of the External Memory
Bus. This is covered in more detail in Section 8.0
In all modes, the microcontroller has complete access
to data RAM.
Figure 6-3 compares the memory maps of the different
program memory modes. The differences between
on-chip and external memory access limitations are
more fully explained in Table 6-2.
REGISTER 6-1:
CONFIG3L: CONFIGURATION REGISTER 3 LOW
R/WO-1
U-0
WAIT(1)
BW(1)
EMB1(1)
EMB0(1)
EASHFT(1)
—
bit 7
bit 0
Legend:
WO = Write-Once bit
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
WAIT:
External Bus Wait Enable bit(1)
1
= Wait states on the external bus are disabled
0
= Wait states on the external bus are enabled and selected by MEMCON<5:4>
bit 6
BW:
Data Bus Width Select bit(1)
1
= 16-Bit Data Width modes
0
= 8-Bit Data Width modes
bit 5-4
EMB1:EMB0:
External Memory Bus Configuration bits(1)
11
= Microcontroller mode, external bus disabled
10
= Extended Microcontroller mode, 12-bit address width for external bus
01
= Extended Microcontroller mode, 16-bit address width for external bus
00
= Extended Microcontroller mode, 20-bit address width for external bus
bit 3
EASHFT:
External Address Bus Shift Enable bit(1)
1
= Address shifting is enabled – external address bus is shifted to start at 000000h
0
= Address shifting is disabled – external address bus reflects the PC value
bit 2-0
Unimplemented:
Read as ‘0’
Note 1:
These bits are implemented only on 80-pin devices.
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| PIC18F66J16T-I/PT | 功能描述:8位微控制器 -MCU 96KB Flash 3936 bytesRAM 51I/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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| PIC18F66J50-I/PT | 功能描述:8位微控制器 -MCU 64KB FLSH 3936Bs RAM USB 2.0 nanoWatt 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| PIC18F66J50T-I/PT | 功能描述:8位微控制器 -MCU 64KB FLSH 3936Bs RAM USB 2.0 nanoWatt 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| PIC18F66J55-I/PT | 功能描述:8位微控制器 -MCU 96KB FLSH 3936Bs RAM USB 2.0 nanoWatt 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| PIC18F66J55T-I/PT | 功能描述:8位微控制器 -MCU 96KB FLSH 3936Bs RAM USB 2.0 nanoWatt 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
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