參數(shù)資料
型號(hào): PIC18LF96J65-I/PT
廠商: Microchip Technology
文件頁數(shù): 9/131頁
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
PIC18F97J60 FAMILY
DS39762F-page 106
2011 Microchip Technology Inc.
FIGURE 7-2:
TABLE WRITE OPERATION
7.2
Control Registers
Several control registers are used in conjunction with
the TBLRD and TBLWT instructions. These include the:
EECON1 register
EECON2 register
TABLAT register
TBLPTR registers
7.2.1
EECON1 AND EECON2 REGISTERS
The EECON1 register (Register 7-1) is the control
register for memory accesses. The EECON2 register is
not a physical register; it is used exclusively in the
memory write and erase sequences. Reading
EECON2 will read all ‘0’s.
The FREE bit, when set, will allow a program memory
erase operation. When FREE is set, the erase
operation is initiated on the next WR command. When
FREE is clear, only writes are enabled.
The WREN bit, when set, will allow a write operation.
On power-up, the WREN bit is clear. The WRERR bit is
set in hardware when the WR bit is set, and cleared
when the internal programming timer expires and the
write operation is complete.
The WR control bit initiates write operations. The bit
cannot be cleared, only set, in software; it is cleared in
hardware at the completion of the write operation.
Table Pointer(1)
Table Latch (8-bit)
TBLPTRH TBLPTRL
TABLAT
Program Memory
(TBLPTR)
TBLPTRU
Instruction: TBLWT*
Note 1:
The Table Pointer actually points to one of 64 holding registers, the address of which is determined by
TBLPTRL<5:0>. The process for physically writing data to the program memory array is discussed in
Holding Registers
Program Memory
Note:
During normal operation, the WRERR is
read as ‘1’. This can indicate that a write
operation was prematurely terminated by
a Reset, or a write operation was
attempted improperly.
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