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参数资料
| 型号： | ADUC812BCPZ-REEL |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 11.0592 MHz, MICROCONTROLLER, PQCC56 |
| 封装： | LEAD FRAME, CSP-56 |
| 文件页数： | 2/60页 |
| 文件大小： | 1276K |
| 代理商： | ADUC812BCPZ-REEL |
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REV. E
ADuC812
–10–
OVERVIEW OF MCU-RELATED SFRs
Accumulator SFR
ACC is the Accumulator register and is used for math opera-
tions 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 scratch pad register.
Stack Pointer SFR
The SP register is the stack pointer and is used to hold an internal
RAM address that is 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 three 8-bit registers: DPP (page
byte), DPH (high byte), and DPL (low byte). These are used to
provide memory addresses for internal and external code access
and external data access. It may be manipulated as a 16-bit
register (DPTR = DPH, DPL), although INC DPTR instructions
will automatically carry over to DPP, or as three independent
8-bit registers (DPP, DPH, and DPL).
Program Status Word SFR
The PSW register is the Program Status Word that contains
several bits reflecting the current status of the CPU as detailed
in Table I.
SFR Address
D0H
Power-On Default Value
00H
Bit Addressable
Yes
Y
CC
A0
F1
S
R0
S
RV
O1
FP
Table I. PSW SFR Bit Designations
Bit
Name
Description
7CYCarry Flag
6ACAuxiliary Carry Flag
5F0General-Purpose Flag
4
RS1
Register Bank Select Bits
3
RS0
RS1
RS0
Selected Bank
000
011
102
113
2OVOverflow Flag
1F1General-Purpose Flag
0P
Parity Bit
Power Control SFR
The Power Control (PCON) register contains bits for power
saving options and general-purpose status flags as shown in
Table II.
SFR Address
87H
Power-On Default Value
00H
Bit Addressable
No
D
O
M
SD
P
I
R
E
SD
P
O
T
N
IF
F
O
E
L
A1
F
G0
F
GD
PL
D
I
Table II. PCON SFR Bit Designations
Bit
Name
Description
7
SMOD
Double UART Baud Rate
6
———
Reserved
5
———
Reserved
4
ALEOFF
Disable ALE Output
3
GF1
General-Purpose Flag Bit
2
GF0
General-Purpose Flag Bit
1PDPower-Down Mode Enable
0
IDL
Idle Mode Enable
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相关代理商/技术参数 |
参数描述 |
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| ADUC812BS | 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 8KB Flash 3.3V/5V 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 8KB FLASH 16MHZ 3.3/5V 52MQFP - Bulk 制造商:Analog Devices 功能描述:8BIT MCU +12BIT ADC MQFP52 812 制造商:Analog Devices 功能描述:Data Acquisition System, 8 Channel, 12 Bit, 52 Pin, Plastic, QFP |
| ADUC812BS | 制造商:Analog Devices 功能描述:12-BIT ADC WITH EMBEDDED |
| aduc812bs-01 | 制造商:Analog Devices 功能描述: |
| ADUC812BS-REEL | 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 8KB Flash 3.3V/5V 52-Pin MQFP T/R |
| ADUC812BSZ | 功能描述:IC ADC 12BIT MULTICH MCU 52-MQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 标准包装:250 系列:56F8xxx 核心处理器:56800E 芯体尺寸:16-位 速度:60MHz 连通性:CAN，SCI，SPI 外围设备:POR，PWM，温度传感器，WDT 输入/输出数:21 程序存储器容量:40KB（20K x 16） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:6K x 16 电压 - 电源 (Vcc/Vdd):2.25 V ~ 3.6 V 数据转换器:A/D 6x12b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:48-LQFP 包装:托盘 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
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