參數(shù)資料
型號: P8XC557E8
廠商: NXP Semiconductors N.V.
元件分類: 8位微控制器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 13/84頁
文件大小: 322K
代理商: P8XC557E8
1999 Mar 12
13
Philips Semiconductors
Product specification
8-bit microcontroller
P8xC557E8
Fig.4 Memory map and address space.
handbook, full pagewidth
MBH077
INTERNAL
(EA = 1)
EXTERNAL
(EA = 0)
64 kbytes
64 kbytes
0
0
0
127
255
INDIRECT ONLY
OVERLAPPED SPACE
SPECIAL
FUNCTION
REGISTERS
AUXILIARY
RAM
(ARD = 0)
1792 bytes
EXTERNAL DATA
MEMORY
INTERNAL DATA
MEMORY
PROGRAM MEMORY
MAIN RAM
DIRECT AND
INDIRECT
1791
(ARD = 1)
Fig.5 Indirect addressing AUX-RAM (1792 bytes); ARD = 0 (bit PCON.6).
handbook, full pagewidth
MBH078
(XRAMP) = 06 H
0
255
255
1791
1536
1535
(XRAMP) = 05 H
0
255
1280
1279
(XRAMP) = 04 H
0
255
1024
1023
(XRAMP) = 03 H
0
255
768
767
(XRAMP) = 02 H
0
255
512
511
(XRAMP) = 01 H
0
255
0
256
255
0
(XRAMP) = 00 H
MOVX @DPTR, A
MOVX A, @DPTR
MOVX @Ri, A
MOVX A, @Ri
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