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參數(shù)資料
| 型號： | HT9580 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Character Pager Controller |
| 中文描述： | 字符傳呼機控制器 |
| 文件頁數(shù)： | 43/63頁 |
| 文件大小： | 444K |
| 代理商： | HT9580 |
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HT9580
43
April 28, 2000
Preliminary
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M6502 read and write cycle
Accumulator
The Accumulator is a general purpose 8-bit reg-
ister which stores the results of most arithme-
tic and logic operations. In addition, the
accumulator usually contains one of the two
data words used in these operations.
Index register
There are two 8-bit Index Register (X and Y)
which may be used to count program steps or to
provide an index value to be used in generating
an effective address. When executing an in-
struction which specifies indexed addressing,
the C fetches the opcode and the base address,
and modifies the address by adding the index
register to it prior to performing the desired op-
eration. Pre- or post-indexing of indirect ad-
dresses is possible.
Processor status register
The 8-bit processor status register contains
seven status flags. Some of the flags are con-
trolled by the program, others may be con-
trolled both by the program and the
HT9580 instruction set contains a number of
conditional branch instructions which are de-
signed to allow testing of these flags.
C. The
Program counter
The 16-bit program counter register provides
the addresses which step the
quential program instructions. Each time the
HT9580 fetches an instruction from the pro-
gram memory, the lower byte of the program
counter (PCL) is placed on the low-order bits of
the address bus and the higher byte of the pro-
gram counter (PCH) is placed on the high-order
C through se-
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT95A30P | 8-Bit LCD Type Phone Controller MCU |
| HT95L300 | 8-Bit LCD Type Phone Controller MCU |
| HT95A20P | 8-Bit LCD Type Phone Controller MCU |
| HT95L300-100QEP-A | LCD Type Phone 8-Bit MCU |
| HT95A400 | Time-Delay Relay; Mounting Type:Plug In; Relay Mounting:Plug-In |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT95A100 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:LCD Type Phone 8-Bit MCU |
| HT95A100/10P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
| HT95A10P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:LCD Type Phone 8-Bit MCU |
| HT95A200 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
| HT95A200/20P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
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