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| 型號： | ADUC843BCP32-5 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
| 中文描述： | 8-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, QCC56 |
| 封裝： | 8 X 8 MM, LEAD FRAME, MO-220VLLD2, CSP-56 |
| 文件頁數(shù)： | 59/88頁 |
| 文件大小： | 903K |
| 代理商： | ADUC843BCP32-5 |
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ADuC841/ADuC842/ADuC843
MOSI is shared with P3.3 and, as such, has the same
configuration as the one shown in Figure 61.
Rev. 0 | Page 59 of 88
MCO
I2CM
Q3
Q4
SCLOCK
PIN
Q2
Q1
(OFF)
DV
DD
50ns GLITCH
REJECTION FILTER
SPE = 0 (I
2
C ENABLE)
HARDWARE I
2
C
(SLAVE ONLY)
SFR
BITS
0
Figure 63. SCLOCK Pin I/O Functional Equivalent in I
2
C Mode
Q3
Q1
Q2 (OFF)
DV
DD
Q4 (OFF)
SDATA/
MOSI
PIN
SPE = 1 (SPI ENABLE)
HARDWARE SPI
(MASTER/SLAVE)
0
Figure 64. SDATA/MOSI Pin I/O Functional Equivalent in SPI Mode
Q3
Q4
Q2
Q1
(OFF)
DV
DD
MCO
SDATA/
MOSI
PIN
50ns GLITCH
REJECTION FILTER
SPE = 0 (I
2
C ENABLE)
HARDWARE I
2
C
(SLAVE ONLY)
SFR
BITS
MCI
MDE
I2CM
0
Figure 65. SDATA/MOSI Pin I/O Functional Equivalent in I
2
C Mode
Read-Modify-Write Instructions
Some 8051 instructions that read a port read the latch while
others read the pin. The instructions that read the latch rather
than the pins are the ones that read a value, possibly change it,
and then rewrite it to the latch. These are called read-modify-
write instructions, which are listed below. When the destination
operand is a port or a port bit, these instructions read the latch
rather than the pin.
Table 27. Read-Write-Modify Instructions
Instruction
Description
ANL
Logical AND, e.g., ANL P1, A
ORL
(Logical OR, e.g., ORL P2, A
XRL
(Logical EX-OR, e.g., XRL P3, A
JBC
Jump if Bit = 1 and clear bit, e.g., JBC P1.1,
LABEL
CPL
Complement bit, e.g., CPL P3.0
INC
Increment, e.g., INC P2
DEC
Decrement, e.g., DEC P2
DJNZ
Decrement and Jump if Not Zero, e.g., DJNZ
P3, LABEL
MOV PX.Y, C
1
Move Carry to Bit Y of Port X
CLR PX.Y
1
Clear Bit Y of Port X
SETB PX.Y
1
Set Bit Y of Port X
1
These instructions read the port byte (all 8 bits), modify the addressed bit,
and then write the new byte back to the latch.
Read-modify-write instructions are directed to the latch rather
than to the pin to avoid a possible misinterpretation of the
voltage level of a pin. For example, a port pin might be used to
drive the base of a transistor. When 1 is written to the bit, the
transistor is turned on. If the CPU then reads the same port bit
at the pin rather than the latch, it reads the base voltage of the
transistor and interprets it as a Logic 0. Reading the latch rather
than the pin returns the correct value of 1.
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| ADUC843BCP32Z-5 | 功能描述:IC ADC 12BIT W/FLASH MCU 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標(biāo)準(zhǔn)包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA，UART/USART 外圍設(shè)備:欠壓檢測/復(fù)位，LED，POR，PWM，WDT 輸入/輸出數(shù):16 程序存儲器容量:4KB（4K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND |
| ADUC843BCP62-3 | 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3V 56-Pin LFCSP EP |
| ADUC843BCP62-5 | 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 5V 56-Pin LFCSP EP |
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| ADUC843BCP8-3 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
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