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SN8A1702AP 参数 Datasheet PDF下载

SN8A1702AP图片预览
型号: SN8A1702AP
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器 [8-Bit Micro-Controller]
分类和应用: 微控制器
文件页数/大小: 145 页 / 774 K
品牌: SONIX [ SONIX TECHNOLOGY COMPANY ]
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SN8P1700  
8-bit micro-controller build-in 12-bit ADC  
3ADDRESS SPACES  
PROGRAM MEMORY (ROM)  
OVERVIEW  
ROM Maps for SN8P1700 devices provide OTP memory that programmable by user. SN8P1702 has 1K x 16-bit  
program memory, SN8P1704 has 2K x 16-bit program memory and SN8P1706, SN8P1707 and SN8P1708 have 4K x  
16-bit program memory. The SN8P1700 program memory is able to fetch instructions through 12-bit wide PC  
(Program Counter) and can look up ROM data by using ROM code registers (R, X, Y, Z). In standard configuration, the  
device’s 4,096 x 16-bit program memory has four areas:  
1-word reset vector addresses  
1-word Interrupt vector addresses  
5-words reserved area  
4K words (SN8P1706, SN8P1707, SN8P1708)  
2K words (SN8P1704)  
1K words (SN8P1702)  
All of the program memory is partitioned into three coding areas. The 1st area is located from 00H to 03H(The Reset  
vector area), the 2nd area is a reserved area 04H ~07H, the 3rd area is for the interrupt vector and the user code area  
from 0008H to 0FFEH. The address 08H is the interrupt enter address point.  
ROM  
0000H  
0001H  
0002H  
0003H  
0004H  
0005H  
0006H  
0007H  
0008H  
0009H  
.
User reset vector  
Reset vector  
Jump to user start address  
Jump to user start address  
Jump to user start address  
General purpose area  
Reserved  
User interrupt vector  
User program  
Interrupt vector  
.
000FH  
0010H  
0011H  
.
General purpose area  
.
03FEH  
End of user program  
03FFH  
Reserved  
Figure 3-1. ROM Address Structure (SN8P1702)  
SONiX TECHNOLOGY CO., LTD  
Page 24  
Revision 1.94  
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