參數(shù)資料
型號(hào): UPD754202GS
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 4位單晶片微控制器
文件頁數(shù): 14/66頁
文件大?。?/td> 302K
代理商: UPD754202GS
14
μ
PD754202, 754202(A)
5. MEMORY CONFIGURATION
Program Memory (ROM): 2048
×
8 bits (0000H-07FFH)
Addresses 0000H and 0001H
Vector table wherein the program start address and the values set for the RBE and MBE at the time a RESET
signal is generated are written. Reset start is possible from any address.
Addresses 0002H to 000DH
Vector table wherein the program start address and values set for the RBE and MBE by the vectored interrupts
are written. Interrupt service can start from any address.
Addresses 0020H to 007FH
Table area referenced by the GETI instruction
Note
.
Note
The GETI instruction realizes a 1-byte instruction on behalf of any 2-byte instruction, 3-byte
instruction, or two 1-byte instructions. It is used to decrease the number of program steps.
Data Memory (RAM)
Data area: 128 words
×
4 bits (000H-07FH)
Peripheral hardware area: 128 words
×
4 bits (F80H-FFFH)
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