參數(shù)資料
型號(hào): UPD753106
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(yè)數(shù): 17/90頁(yè)
文件大?。?/td> 547K
代理商: UPD753106
17
μ
PD753104, 753106, 753108
Caution Since SBS. 3 is set to “1” after a RESET signal is generated, the CPU operates in the Mk
I mode. When executing an instruction in the Mk II mode, set SBS. 3 to “0” to select the
Mk II mode.
4.2 Setting Method of Stack Bank Select Register (SBS)
Switching between the Mk I mode and Mk II mode can be done by the stack bank select register (SBS). Figure
4-1 shows the format.
The SBS is set by a 4-bit memory manipulation instruction.
When using the Mk I mode, the SBS must be initialized to 100xB
Note
at the beginning of a program. When using
the Mk II mode, it must be initialized to 000xB
Note
.
Note
Set the desired value in the x position.
Figure 4-1. Stack Bank Select Register Format
SBS3
SBS2
SBS1
SBS0
3
2
1
0
Symbol
SBS
Address
F84H
0
0
0
1
0
1
0
Memory bank 0
Memory bank 1
Other than above setting prohibited
0 must be set in the bit 2 position.
Stack area specification
Mk II mode
Mk I mode
Mode switching specification
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