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參數資料
| 型號： | ADUC814 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | MicroConverter, Small Package 12-Bit ADC with Embedded Flash MCU |
| 中文描述： | MicroConverter的，小包裝12位ADC，嵌入式閃存MCU |
| 文件頁數： | 18/72頁 |
| 文件大小： | 846K |
| 代理商： | ADUC814 |
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ADuC814
The SFR space is mapped to the upper 128 bytes of internal
data memory space and is accessed by direct addressing only. It
provides an interface between the CPU and all on-chip periph-
erals. A block diagram showing the programming model of the
ADuC814 via the SFR area is shown in Figure 21. A complete
SFR map is shown in Figure 22.
Rev. A | Page 18 of 72
OTHER ON-CHIP
PERIPHERALS
TEMPERATURE
MONITOR
DUAL 12-BIT DAC
SERIAL I/O
WDT
PSM
TIC
PLL
6-CHANNEL
12-BIT SAR ADC
0
640-BYTE
ELECTRICALLY
REPROGRAMMABLE
NONVOLATILE
FLASH/EE DATA
MEMORY
8-kBYTE
ELECTRICALLY
REPROGRAMMABLE
NONVOLATILE
FLASH/EE PROGRAM
MEMORY
8051
COMPATIBLE
CORE
256 BYTES
RAM
128-BYTE
SPECIAL
FUNCTION
REGISTER
AREA
Figure 21. Programming Model
OVERVIEW OF MCU-RELATED SFRS
Accumulator SFR
ACC is the accumulator register and is used for math operations
including addition, subtraction, integer multiplication and
division, and Boolean bit manipulations. The mnemonics for
accumulator-specific instructions refer to the accumulator as A.
B SFR
The B register is used with the ACC for multiplication and
division operations. For other instructions it can be treated as a
general-purpose scratchpad register.
Stack Pointer SFR
The SP register is the stack pointer and is used to hold an internal
RAM address called the
top of the stack
. The SP register is
incremented before data is stored during PUSH and CALL
executions. While the stack may reside anywhere in on-chip
RAM, the SP register is initialized to 07H after a reset. This
causes the stack to begin at location 08H.
Data Pointer
The data pointer is made up of two 8-bit registers, named DPH
(high byte) and DPL (low byte). These registers provide memory
addresses for internal code access. The pointer may be manipu-
lated as a 16-bit register (DPTR = DPH, DPL), or as two inde-
pendent 8-bit registers (DPH, DPL).
Program Status Word SFR
The program status word (PSW) register is the program status word that contains several bits reflecting the current status of the CPU as
detailed in Table 4.
SFR Address
Power-On Default
Bit Addressable
CY
D0H
00H
Yes
AC
F0
RS1
RS0
OV
F1
P
Table 4. PSW SFR Bit Designations
Bit No.
Name
7
CY
6
AC
5
F0
4
RS1
3
RS0
Description
Carry Flag.
Auxiliary Carry Flag.
General-Purpose Flag.
Register Bank Select Bits.
RS1
RS0
0
0
0
1
1
0
1
1
Overflow Flag.
General-Purpose Flag.
Parity Bit.
Selected Bank
0
1
2
3
2
1
0
OV
F1
P
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADUC814_02 | 制造商:AD 制造商全稱:Analog Devices 功能描述:MicroConverter, Small Package 12-Bit ADC with Embedded FLASH MCU |
| ADUC814AN | 功能描述:8052 MicroConverter? ADuC8xx Microcontroller IC 8-Bit 16.78MHz 8KB (8K x 8) FLASH 制造商:analog devices inc. 系列:MicroConverter? ADuC8xx 包裝:- 零件狀態:上次購買時間 核心處理器:8052 核心尺寸:8-位 速度:16.78MHz 連接性:I2C，SPI，UART/USART 外設:POR，PSM，溫度傳感器，WDT I/O 數:- 程序存儲容量:8KB（8K x 8） 程序存儲器類型:閃存 EEPROM 容量:640 x 8 RAM 容量:256 x 8 電壓 - 電源（Vcc/Vdd）:2.7 V ~ 5.5 V 數據轉換器:* 振蕩器類型:內部 工作溫度:* 封裝/外殼:- 供應商器件封裝:- 標準包裝:1 |
| ADUC814ARU | 功能描述:IC ADC 12BIT W/FLASH MCU 28TSSOP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝: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 外圍設備:欠壓檢測/復位，LED，POR，PWM，WDT 輸入/輸出數: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 數據轉換器:- 振蕩器型:內部 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 |
| ADUC814ARU-D2 | 制造商:Analog Devices 功能描述:12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C - Bulk |
| ADUC814ARU-REEL | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 8KB Flash 3V/5V 28-Pin TSSOP T/R 制造商:Analog Devices 功能描述:12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C - Tape and Reel |
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