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參數(shù)資料
| 型號(hào)： | HPC26083 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | High-Performance microControllers |
| 中文描述： | 高性能微控制器 |
| 文件頁數(shù)： | 9/36頁 |
| 文件大?。?/td> | 467K |
| 代理商： | HPC26083 |
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HPC16003 Operating Modes
EXPANDED ROMLESS MODE (HPC16003)
Because the HPC16003 has no on-chip ROM it has only
one mode of operation the Expanded ROMless Mode The
EXM pin must be pulled high (logic ‘‘1’’) on power up the
EA bit in the PSW register should be set to a ‘‘1’’ The
HPC16003 is a ROMless device and is intended for use with
external memory The external memory may be any combi-
nation of ROM and RAM Up to 64k bytes of external mem-
ory may be accessed It is necessary to vector on reset to
an address between F000 and FFFF therefore the user
should have external memory at these addresses The EA
bit in the PSW register must immediately be set to ‘‘1’’ at the
beginning of the user’s program to disable illegal address
detection in the WATCHDOG logic
TABLE II HPC16003 Operating Modes
Operating
EXM
EA
Memory
Mode
Pin
Bit
Configuration
Expanded ROMless
1
0200FFFF off-chip
Note
The on-chip RAM and Registers (000001FF) of the HPC16003 may
be accessed at all times
TLDD8801 – 17
FIGURE 15 Single-Chip Mode
TLDD8801 – 18
FIGURE 16 8-Bit External Memory
17
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HPC26083XXX/E17 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Microcontroller |
| HPC26083XXX/L20 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Microcontroller |
| HPC26083XXX/L30 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Microcontroller |
| HPC26083XXX/T20 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Microcontroller |
| HPC26083XXX/T30 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Microcontroller |
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