參數(shù)資料
型號(hào): SZF2002HL
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 微控制器/微處理器
英文描述: Low voltage 8-bit microcontroller with 6-kbyte embedded RAM
中文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, SOT-315-1, LQFP-80
文件頁(yè)數(shù): 13/76頁(yè)
文件大?。?/td> 431K
代理商: SZF2002HL
1998 Aug 26
13
Philips Semiconductors
Product specification
Low voltage 8-bit microcontroller with
6-kbyte embedded RAM
SZF2002
9.5
Paging logic
The SZF2002 contains paging logic to handle the extended address range.
Table 3
Paging of external memory; notes 1 and 2
Notes
1.
2.
During Debug A<17-15> are used to output the bank register. The TRUE_ A15 line is output at the A5 pin.
During Debug ROM and RAM access is done via PSEN, WR and RD.
TRUE_A15
(INTERNAL)
BANK SFR [2 : 0]
A<17-15> PINS
BANK
REMARK
0
1
1
1
1
1
1
1
1
XXX
000
001
010
011
100
101
110
111
000
000
001
010
011
100
101
110
111
0
0
1
2
3
4
5
6
7
lower 32 kbytes always bank 0
bank 0
bank 1
bank 2
bank 3
bank 4
bank 5
bank 6
bank 7
Fig.5 The lower 128 bytes of internal RAM.
handbook, halfpage
MGD675
R7
R0
07H
0
R7
R0
0FH
08H
R7
R0
17H
10H
R7
R0
1FH
18H
2FH
7FH
20H
30H
4 banks of 8 registers
(R0 to R7)
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