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参数资料
| 型号： | ADUC814ARUZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/72页 |
| 文件大小： | 0K |
| 描述： | IC MCU FLASH 12BIT ADC 28TSSOP |
| 标准包装： | 2,500 |
| 系列： | MicroConverter® ADuC8xx |
| 核心处理器： | 8052 |
| 芯体尺寸： | 8-位 |
| 速度： | 16.78MHz |
| 连通性： | I²C，SPI，UART/USART |
| 外围设备： | POR，PSM，温度传感器，WDT |
| 输入/输出数： | 17 |
| 程序存储器容量： | 8KB（8K x 8） |
| 程序存储器类型： | 闪存 |
| EEPROM 大小： | 640 x 8 |
| RAM 容量： | 256 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2.7 V ~ 5.5 V |
| 数据转换器： | A/D 6x12b; D/A 2x12b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 28-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
| 配用： | EVAL-ADUC814QSZ-ND - KIT DEV FOR ADUC814 MICROCONVRTR |
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ADuC814
Rev. A | Page 17 of 72
MEMORY ORGANIZATION
The ADuC814 does not have Port 0 and Port 2 pins and
therefore does not support external program or data memory
interfaces. The device executes code from the internal 8-kByte
Flash/EE program memory. This internal code space can be
programmed via the UART serial port interface while the device
is in-circuit. The program memory space of the ADuC814 is
shown in Figure 18.
1FFFH
0000H
INTERNAL
8 kBYTE
FLASH/EE
PROGRAM
MEMORY
PROGRAM MEMORY SPACE
READ-ONLY
02748-A
-025
Figure 18. Program Memory Map
The data memory address space consists of internal memory
only. The internal memory space is divided into four physically
separate and distinct blocks, namely the lower 128 bytes of
RAM, the upper 128 bytes of RAM, the 128 bytes of special
function register (SFR) area, and a 640-byte Flash/EE data
memory. While the upper 128 bytes of RAM and the SFR area
share the same address locations, they are accessed through
different addressing modes.
The lower 128 bytes of data memory can be accessed through
direct or indirect addressing, the upper 128 bytes of RAM can
be accessed through indirect addressing, and the SFR area is
accessed through direct addressing.
Also, as shown in Figure 19, an additional 640 bytes of Flash/EE
data memory are available to the user and can be accessed
indirectly via a group of control registers mapped into the SFR
area. Access to the Flash/EE data memory is discussed in detail
later as part of the Flash/EE Memory section.
SPECIAL
FUNCTION
REGISTERS
ACCESSIBLE
BY DIRECT
ADDRESSING
ONLY
640 BYTES
FLASH/EE DATA
MEMORY
ACCESSED
INDIRECTLY
VIA SFR
CONTROL REGISTERS
INTERNAL
DATA MEMORY
SPACE
ACCESSIBLE
BY
INDIRECT
ADDRESSING
ONLY
ACCESSIBLE
BY
DIRECT
AND INDIRECT
ADDRESSING
FFH
80H
7FH
00H
UPPER
128
LOWER
128
FFH
80H
DATA MEMORY SPACE
READ/WRITE
(PAGE 159)
(PAGE 0)
00H
9FH
02748-A
-026
Figure 19. Data Memory Map
The lower 128 bytes of internal data memory are mapped as
shown in Figure 20. The lowest 32 bytes are grouped into four
banks of eight registers addressed as R0 to R7. The next 16 bytes
(128 bits), locations 20H to 2FH above the register banks, form
a block of directly addressable bit locations at bit addresses 00H
through 7FH. The stack can be located anywhere in the internal
memory address space, and the stack depth can be expanded up
to 256 bytes.
11
10
01
00
07H
0FH
17H
1FH
2FH
7FH
00H
08H
10H
18H
20H
RESET VALUE OF
STACK POINTER
30H
FOUR BANKS OF EIGHT
REGISTERS
R0 R7
BIT-ADDRESSABLE
BIT ADDRESSES
GENERAL-PURPOSE
AREA
BANKS
SELECTED
VIA
BITS IN PSW
02748-A
-027
Figure 20. Lower 128 Bytes of Internal Data Memory
RESET initializes the stack pointer to location 07H and incre-
ments it once to start from location 08H, which is also the first
register (R0) of Register Bank 1. If more than one register bank
is being used, the stack pointer should be initialized to an area
of RAM not used for data storage.
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| ADUC814ARUZ-REEL7 | 功能描述:IC MCU FLASH 12BIT ADC 28TSSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA，UART/USART 外围设备:欠压检测/复位，LED，POR，PWM，WDT 输入/输出数:16 程序存储器容量:4KB（4K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND |
| ADUC814BRU | 功能描述:IC ADC 12BIT W/FLASH MCU 28TSSOP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA，UART/USART 外围设备:欠压检测/复位，LED，POR，PWM，WDT 输入/输出数:16 程序存储器容量:4KB（4K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND |
| ADUC814BRU-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:MCU 8BIT CISC 8KB FLASH 3.3V/5V 28TSSOP - Tape and Reel 制造商:Analog Devices Inc. 功能描述:8-bit Microcontrollers - MCU 12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C |
| ADUC814BRU-REEL7 | 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:MCU 8BIT CISC 8KB FLASH 3.3V/5V 28TSSOP - Tape and Reel 制造商:Analog Devices Inc. 功能描述:8-bit Microcontrollers - MCU 12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C |
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