參數(shù)資料
型號： R5F562N8BDLE#U0
廠商： Renesas Electronics America
文件頁數(shù)： 123/148頁
文件大?。?/td> 0K
描述： MCU 32BIT FLASH 512K ROM 145-LGA
產(chǎn)品培訓模塊： RX USB Peripheral
CAN Peripheral and API
RX 12-Bit ADC
RX Bus State Controller
RX Low Voltage Detection and Reset Sources
RX Watchdog Timer
RX 10-Bit ADC
RX 10-Bit DAC
RX Core
RX Compare Match Timer
RX DMAC
特色產(chǎn)品： RX600 Series Microcontrollers
標準包裝： 1
系列： RX600
核心處理器： RX
芯體尺寸： 32-位
速度： 100MHz
連通性： CAN，EBI/EMI，以太網(wǎng)，I²C，SCI，SPI，USB
外圍設(shè)備： DMA，LVD，POR，PWM，WDT
輸入/輸出數(shù)： 103
程序存儲器容量： 512KB（512K x 8）
程序存儲器類型： 閃存
RAM 容量： 96K x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x10/12b，D/A 2x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 145-TFLGA
包裝： 托盤
PIC18F6520/8520/6620/8620/6720/8720
DS39609B-page 74
2004 Microchip Technology Inc.
6.2.2
16-BIT WORD WRITE MODE
Figure 6-2 shows an example of 16-bit Word Write
mode for PIC18F8X20 devices. This mode is used for
word-wide memories, which includes some of the
EPROM and Flash type memories. This mode allows
opcode fetches and table reads from all forms of 16-bit
memory and table writes to any type of word-wide
external memories. This method makes a distinction
between TBLWT cycles to even or odd addresses.
During
a
TBLWT
cycle
to
an
even
address
(TBLPTR<0> = 0), the TABLAT data is transferred to a
holding latch and the external address data bus is
tri-stated for the data portion of the bus cycle. No write
signals are activated.
During
a
TBLWT
cycle
to
an
odd
address
(TBLPTR<0> = 1), the TABLAT data is presented on
the upper byte of the AD15:AD0 bus. The contents of
the holding latch are presented on the lower byte of the
AD15:AD0 bus.
The WRH signal is strobed for each write cycle; the
WRL pin is unused. The signal on the BA0 pin indicates
the LSb of TBLPTR, but it is left unconnected. Instead,
the UB and LB signals are active to select both bytes.
The obvious limitation to this method is that the table
write must be done in pairs on a specific word boundary
to correctly write a word location.
FIGURE 6-2:
16-BIT WORD WRITE MODE EXAMPLE
AD<7:0>
PIC18F8X20
AD<15:8>
ALE
373
A<20:1>
373
OE
WRH
A<19:16>
A<x:0>
D<15:0>
OE
WR(1)
CE
D<15:0>
JEDEC Word
EPROM Memory
Address Bus
Data Bus
Control Lines
Note 1:
This signal only applies to table writes. See Section 5.1 “Table Reads and Table Writes”.
CE
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R5F562T6ADFM#V0 功能描述:MCU 32BIT FLASH 64K ROM 64LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:RX600 標準包裝:96 系列:PIC® 16F 核心處理器:PIC 芯體尺寸:8-位 速度:20MHz 連通性:I²C，SPI 外圍設(shè)備:欠壓檢測/復位，POR，PWM，WDT 輸入/輸出數(shù):11 程序存儲器容量:3.5KB（2K x 14） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:128 x 8 電壓 - 電源 (Vcc/Vdd):2.3 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 包裝:管件
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