參數(shù)資料
型號(hào): UPD754304GS-XXX-A
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO36
封裝: 0.300 INCH, 0.80 MM PITCH, PLASTIC, SSOP-36
文件頁數(shù): 8/73頁
文件大?。?/td> 814K
代理商: UPD754304GS-XXX-A
PD754302, 754304, 754302(A), 754304(A)
16
Data Sheet U10797EJ2V1DS
5. MEMORY CONFIGURATION
Program Memory (ROM)
....
2048
× 8 bits (
PD754302)
....
4096
× 8 bits (
PD754304)
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 and start are possible at an arbitrary address.
Addresses 0002H-000DH
Vector table wherein the program start address and values set for the RBE and MBE by the vectored
interrupts are written. Interrupt execution can be started at an arbitrary address.
Addresses 0020H-007FH
Table area referenced by the GETI instruction Note.
Note
The GETI instruction realizes a 1-byte instruction on behalf of an arbitrary 2-byte instruction, 3-byte
instruction, or two 1-byte instructions. It is used to decrease the program steps.
Data Memory (RAM)
Data area .... 256 words
× 4 bits (000H-0FFH)
Peripheral hardware area .... 128 words
× 4 bits (F80H-FFFH)
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