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參數(shù)資料
| 型號： | uPSD3233 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Flash Programmable System Device with 8032 Microcontroller Core(嵌入高速“8032微控制器核”的Flash型可編程系統(tǒng)器) |
| 中文描述： | 閃存可編程系統(tǒng)器件與8032微控制器內(nèi)核（嵌入高速“8032微控制器核”的閃存型可編程系統(tǒng)器） |
| 文件頁數(shù)： | 14/164頁 |
| 文件大小： | 1133K |
| 代理商： | UPSD3233 |
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μ
PSD3200 FAMILY
14/164
DRAFT(Thursday 20 June 2002, 13:15).
as transfer, temporary saving, and conditional
judgement, etc. The Accumulator can be used as
a 16-bit register with B Register as shown below.
Figure 6. 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 is an 8-bit reg-
ister used for occurrence interrupts and calling out
subroutines. Stack Pointer identifies the location in
the stack to be access (save or re-store). The
stack can be located at any position within 0000h
to 007Fh of the internal data memory. The SP is
not initialized by hardware, requiring to write the
initial value (the location with which the use of the
stack starts) by using the initialization routine.
Normally, the initial value of 07h is used and the
stack area is 00h to 7Fh.
Figure 7. Stack Pointer
Program Counter.
The ProgramCounter is a 16-
bit wide which consists of two 8-bit registers, PCH
and PCL. This counter indicatestheaddress of the
next instruction to be executed. In reset state, the
program counter has
(PCH:0FFh, PCLL:0FEh).
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 8. It contains the Carry flag, the
Auxiliary carry flag, the Half Carry (for BCD opera-
tion), the general purpose flag, the Register bank
select flags, the Overflow flag, the undefined 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 changedby the Shift Instruc-
tion or Rotate Instruction.
[Auxiliary carryflag 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. Thereis noset 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 Accu-
mulator’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 register.
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 datatransmission with external data
memory.
reset routine
address
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-7Fh
SP
00h
Stack Area (30h-7Fh)
00h-7Fh
Hardware Fixed
bit 15
bit 0
bit 8 bit 7
相關(guān)PDF資料 |
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| uPSD3234(中文) | Flash Programmable System Device with 8032 Microcontroller Core(嵌入高速“8032微控制器核”的Flash型可編程系統(tǒng)器) |
| uPSD3212C(中文) | Flash Programmable System Devices with 8032 Microcontroller Core and 16Kbit SRAM(帶8032微控制器內(nèi)核和16Kbit SRAM的FLASH可編程系統(tǒng)器件) |
| uPSD3254A(中文) | Flash Programmable System Devices with 8032 Microcontroller Core(帶8032微控制器內(nèi)核的FLASH可編程系統(tǒng)器件) |
| uPSD3254BV(中文) | Flash Programmable System Devices with 8032 Microcontroller Core(帶8032微控制器內(nèi)核的FLASH可編程系統(tǒng)器件) |
| UPSD3234A | 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 |
|---|---|
| UPSD3233A-24T1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core |
| UPSD3233A-24T1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core |
| UPSD3233A-24T6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core |
| UPSD3233A-24T6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core |
| UPSD3233A-24U1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core |
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