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參數(shù)資料
| 型號(hào)： | SZF2002 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Low voltage 8-bit microcontroller with 6-kbyte embedded RAM(帶6K字節(jié)嵌入RAM的低壓8位微控制器) |
| 中文描述： | 低電壓8位微控制器與6嵌入式RAM字節(jié)（帶6清音字節(jié)嵌入內(nèi)存的低壓8位微控制器） |
| 文件頁(yè)數(shù)： | 12/76頁(yè) |
| 文件大?。?/td> | 431K |
| 代理商： | SZF2002 |
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1998 Aug 26
12
Philips Semiconductors
Product specification
Low voltage 8-bit microcontroller with
6-kbyte embedded RAM
SZF2002
Table 2
Memory spaces; note 1
Notes
1.
2.
Execution from internal memory is only possible when EA = 1 during reset.
Page select is used to access all 8 banks in the 256-kbyte address space.
MEMORY SPACE
ADDRESS MODE
USED SIGNAL
RAMCE, OE and WE
CE, OE
CE, OE and WE
Internal RAM 00H to 7FH
Internal RAM 80H to FFH
SFRs 80H to FFH
Internal AUX RAM (on-chip) 0000H to 17FFH
External RAM (off-chip) 1800H to 7FFFH
External ROM (off-chip) 0000H to FFFFH; note 2
Internal AUX RAM (on-chip) 2000H to 37FFH
External Flash ROM write (off-chip) 8000H to FFFFH; note 2
direct and indirect
indirect
direct
MOVX
MOVX
program execution
program execution
MOVX
Fig.4 Memory map.
(1) Accessible via indirect addressing only.
(2) Accessible via direct and indirect addressing.
(3) Accessible via direct addressing.
(4) Gaps in the address map are undefined, and should not be used.
handbook, full pagewidth
MGM183
EXTERNAL
FLASH ROM
(BANKED)
FFFFH
8000H
EXTERNAL
ROM
BANK 0
7FFFH
0000H
EXTERNAL
RAM
INTERNAL
AUX RAM
(MOVX)
7FFFH
0000H
1800H
17FFH
INTERNAL
AUX RAM
6-KBYTE
INTERNAL
ROM
EA = 1
(4)
37FFH
0000H
2000H
17FFH
EXTERNAL
FLASH ROM
(BANKED)
FFFFH
8000H
overlapped space
INTERNAL
RAM
(1)
00H
FFH
80H
SPECIAL
FUNCTION
REGISTERS
EA = 0
(2)
(3)
INTERNAL MEMORY
DATA MEMORY
PROGRAM MEMORY
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