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參數(shù)資料
| 型號： | UPD1724x |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| 中文描述： | 4位單片微控制器的小型通用兩用紅外遙控遞質(zhì) |
| 文件頁數(shù)： | 18/102頁 |
| 文件大?。?/td> | 461K |
| 代理商： | UPD1724X |
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18
Data Sheet U15002EJ1V0DS
μ
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
2.2
Program Memory (ROM)
The configuration of the program memory is as follows.
Part Number
Program Memory Capacity
Program Memory Address
μ
PD17240
2,048
×
16 bits
0000H to 07FFH
μ
PD17241
4,096
×
16 bits
0000H to 0FFFH
μ
PD17242
6,144
×
16 bits
0000H to 17FFH
μ
PD17243
8,192
×
16 bits
0000H to 1FFFH
μ
PD17244
10,240
×
16 bits
0000H to 27FFH
μ
PD17245
12,288
×
16 bits
0000H to 2FFFH
μ
PD17246
16,384
×
16 bits
0000H to 3FFFH
The program memory stores the program, interrupt vector table, and fixed data table.
The program memory is addressed by the program counter.
Figure 2-4 shows the program memory map. The entire range of the program memory can be addressed by the
BD addr, BR @AR, CALL @AR, MOVT DBF, and @AR instructions. Note, however, that the subroutine entry
addresses that can be specified by the CALL addr instruction are from 0000H to 07FFH.
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