參數(shù)資料
型號(hào)： EVAL-ADUC812QSZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 2/57頁(yè)
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR ADUC812
產(chǎn)品培訓(xùn)模塊： Process Control
標(biāo)準(zhǔn)包裝： 1
系列： QuickStart™ 套件
類(lèi)型： MCU
適用于相關(guān)產(chǎn)品： ADuC812
所含物品： 評(píng)估板、電源、纜線、軟件和說(shuō)明文檔
REV.
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
7
CY
Carry Flag
6
AC
Auxiliary Carry Flag
5
F0
General-Purpose Flag
4
RS1
Register Bank Select Bits
3
RS0
RS1
RS0
Selected Bank
000
011
102
113
2
OV
Overflow Flag
1
F1
General-Purpose Flag
0
P
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
1
PD
Power-Down Mode Enable
0
IDL
Idle Mode Enable
F
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參數(shù)描述
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EVAL-ADUC814QS-U 制造商:Analog Devices 功能描述:QUICK START DEVL SYST EVAL BOARD I.C. - Bulk
EVAL-ADUC814QSZ 功能描述:KIT DEV FOR ADUC814 MICROCONVRTR RoHS:是 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 通用嵌入式開(kāi)發(fā)板和套件（MCU、DSP、FPGA、CPLD等） 系列:QuickStart™ 套件 標(biāo)準(zhǔn)包裝:1 系列:PICDEM™ 類(lèi)型:MCU 適用于相關(guān)產(chǎn)品:PIC10F206，PIC16F690，PIC16F819 所含物品:板，線纜，元件，CD，PICkit 編程器 產(chǎn)品目錄頁(yè)面:659 (CN2011-ZH PDF)
EVAL-ADUC814QSZ 制造商:Analog Devices 功能描述:EVAL BOARD, ADUC814 8052 CORE ANALOG MCU
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