參數(shù)資料
型號(hào): UPD754302A
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁數(shù): 16/74頁
文件大?。?/td> 316K
代理商: UPD754302A
μ
PD754302, 754304, 754302(A), 754304(A)
16
5. MEMORY CONFIGURATION
Program Memory (ROM)
....
....
2048
×
8 bits (
μ
PD754302)
4096
×
8 bits (
μ
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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