參數(shù)資料
型號(hào): UPD754244GS-XXX-GJG
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO20
封裝: 0.300 INCH, 0.65 MM PITCH, PLASTIC, SSOP-20
文件頁數(shù): 9/90頁
文件大?。?/td> 602K
代理商: UPD754244GS-XXX-GJG
PD754144, 754244
15
Data Sheet U10040EJ2V1DS
5. MEMORY CONFIGURATION
Program memory (ROM) 4096 x 8 bits
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 to 000FH
Vector table wherein the program start address and values set for the RBE and MBE by the vectored
interrupts are written. Interrupt service can be started at an arbitrary address.
Addresses 0020H to 007FH
Table area referenced by the GETI instructionNote.
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
Data area
Static RAM
128 words x 4 bits (000H to 07FH)
EEPROM
16 words x 8 bits (400H to 41FH)
Peripheral hardware area
128 words x 4 bits (F80H to FFFH)
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