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參數(shù)資料
| 型號(hào)： | PIC18LF96J65-I/PT |
| 廠商： | Microchip Technology |
| 文件頁(yè)數(shù)： | 111/131頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC PIC MCU FLASH 48KX16 100TQFP |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 系列： | PIC® 18F |
| 核心處理器： | PIC |
| 芯體尺寸： | 8-位 |
| 速度： | 41.667MHz |
| 連通性： | EBI/EMI，以太網(wǎng)，I²C，SPI，UART/USART |
| 外圍設(shè)備： | 欠壓檢測(cè)/復(fù)位，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 70 |
| 程序存儲(chǔ)器容量： | 96KB（48K x 16） |
| 程序存儲(chǔ)器類型： | 閃存 |
| RAM 容量： | 3808 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2 V ~ 3.6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 16x10b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 100-TQFP |
| 包裝： | 托盤 |
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PIC18F97J60 FAMILY
DS39762F-page 80
2011 Microchip Technology Inc.
6.1.4
EXTENDED MICROCONTROLLER
MODE AND ADDRESS SHIFTING
By default, devices in Extended Microcontroller mode
directly present the program counter value on the
external address bus for those addresses in the range
of the external memory space. In practical terms, this
means addresses in the external memory device below
the top of on-chip memory are unavailable.
To avoid this, the Extended Microcontroller mode
implements an address shifting option to enable auto-
matic address translation. In this mode, addresses
presented on the external bus are shifted down by the
size of the on-chip program memory and are remapped
to start at 0000h. This allows the complete use of the
external memory device’s memory space.
FIGURE 6-3:
MEMORY MAPS FOR PIC18F97J60 FAMILY PROGRAM MEMORY MODES
TABLE 6-2:
MEMORY ACCESS FOR PIC18F9XJ60/9XJ65 PROGRAM MEMORY MODES
Operating Mode
Internal Program Memory
External Program Memory
Execution
From
Table Read
From
Table Write
To
Execution
From
Table Read
From
Table Write
To
Microcontroller
Yes
No Access
Extended Microcontroller
Yes
External
Memory
On-Chip
Program
Memory
Microcontroller Mode(1)
000000h
On-Chip
Program
Memory
1FFFFFh
Reads
‘0’s
External
On-Chip
Memory
(Top of Memory)
(Top of Memory) + 1
Legend:
(Top of Memory) represents upper boundary of on-chip program memory space (see Figure 6-1 for device-specific
values). Shaded areas represent unimplemented or inaccessible areas depending on the mode.
Note
1:
This mode is the only available mode on 64-pin and 80-pin devices and the default on 100-pin devices.
2:
These modes are only available in 100-pin devices.
Extended Microcontroller Mode(2)
000000h
1FFFFFh
(Top of Memory)
(Top of Memory) + 1
External
Memory
On-Chip
Program
Memory
000000h
1FFFFFh
(Top of Memory)
(Top of Memory) + 1
No
Access
Space
On-Chip
Memory
Space
External
On-Chip
Memory
Space
Mapped
to
External
Memory
Space
Mapped
to
External
Memory
Space
(Top of Memory)
Extended Microcontroller Mode
with Address Shifting(2)
1FFFFFh –
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