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參數(shù)資料
| 型號(hào)： | uPSD3233BV-40T6T |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Flash Programmable System Devices with 8032 Microcontroller Core |
| 中文描述： | 閃存可編程系統(tǒng)設(shè)備與8032微控制器內(nèi)核 |
| 文件頁(yè)數(shù)： | 14/170頁(yè) |
| 文件大小： | 2717K |
| 代理商： | UPSD3233BV-40T6T |
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uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
14/170
Accumulator.
The Accumulator is the 8-bit gen-
eral purpose register, used for data operation such
as transfer, temporary saving, and conditional
tests. The Accumulator can be used as a 16-bit
register with B Register as shown below.
Figure 7. Configuration of BA 16-bit Registers
B Register.
The B Register is the 8-bit general
purpose register, used for an arithmetic operation
such as multiply, division with Accumulator
Stack Pointer.
The Stack Pointer Register is 8
bits wide. It is incremented before data is stored
during PUSH and CALL executions. While the
stack may reside anywhere in on-chip RAM, the
Stack Pointer is initialized to 07h after reset. This
causes the stack to begin at location 08h.
Figure 8. Stack Pointer
Program Counter.
The Program Counter is a 16-
bit wide which consists of two 8-bit registers, PCH
and PCL. This counter indicates the address of the
next instruction to be executed. In RESET state,
the program counter has reset routine address
(PCH:00h, PCL:00h).
Program Status Word.
The
Word (PSW) contains several bits that reflect the
current state of the CPU and select Internal RAM
(00h to 1Fh: Bank0 to Bank3). The PSW is de-
scribed in
Figure 9., page 15
. It contains the Carry
flag, the Auxiliary carry flag, the Half Carry (for
BCD operation), the general purpose flag, the
Register bank select flags, the Overflow flag, and
Parity flag.
[Carry Flag, CY]. This flag stores any carry or not
borrow from the ALU of CPU after an arithmetic
operation and is also changed by the Shift Instruc-
tion or Rotate Instruction.
[Auxiliary Carry Flag, AC]. After operation, this is
set when there is a carry from Bit 3 of ALU or there
is no borrow from Bit 4 of ALU.
[Register Bank Select Flags, RS0, RS1]. This flags
select
one
of
four
08~0Fh:bank1, 10~17h:bank2, 17~1Fh:bank3) in
Internal RAM.
[Overflow Flag, OV]. This flag is set to '1' when an
overflow occurs as the result of an arithmetic oper-
ation involving signs. An overflow occurs when the
result of an addition or subtraction exceeds +127
(7Fh) or -128 (80h). The CLRV instruction clears
the overflow flag. There is no set instruction. When
the BIT instruction is executed, Bit 6 of memory is
copied to this flag.
[Parity Flag, P]. This flag reflect on number of Ac-
cumulator’s 1. If number of Accumulator’s 1 is odd,
P=0. otherwise P=1. Sum of adding Accumulator’s
1 to P is always even.
R0~R7.
General purpose 8-bit registers that are
locked in the lower portion of internal data area.
Data Pointer Register.
Data Pointer Register is
16-bit wide which consists of two-8bit registers,
DPH and DPL. This register is used as a data
pointer for the data transmission with external data
memory in the PSD Module.
Program
Status
bank(00~07H:bank0,
AI06637
Two 8-bit Registers can be used as a "BA" 16-bit Registers
A
B
A
B
AI06638
SP (Stack Pointer) could be in 00h-FFh
SP
00h
Stack Area (30h-FFh)
00h-FFh
Hardware Fixed
Bit 15
Bit 0
Bit 8 Bit 7
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| uPSD3233BV-40U1T | Flash Programmable System Devices with 8032 Microcontroller Core |
| uPSD3233BV-40U6T | Flash Programmable System Devices with 8032 Microcontroller Core |
| uPSD3234A-24T1T | Flash Programmable System Devices with 8032 Microcontroller Core |
| uPSD3234A-24T6T | Flash Programmable System Devices with 8032 Microcontroller Core |
| uPSD3234A-24U1T | Flash Programmable System Devices with 8032 Microcontroller Core |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPSD3233BV-40U1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core |
| UPSD3233BV-40U1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core |
| UPSD3233BV-40U6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core |
| UPSD3233BV-40U6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core |
| UPSD32348V24V6ES | 制造商:ST MICRO 功能描述:* |
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