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參數(shù)資料
| 型號： | UPD17245MC-xxx-5A4 |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| 中文描述： | 4位單片微控制器的小型通用兩用紅外遙控遞質(zhì) |
| 文件頁數(shù)： | 71/102頁 |
| 文件大?。?/td> | 461K |
| 代理商： | UPD17245MC-XXX-5A4 |
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71
Data Sheet U15002EJ1V0DS
μ
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
9.4
STOP Instruction Execution Conditions
The STOP instruction can be executed under special conditions, as shown in Table 9-5, to prevent the program
from hanging up.
If the conditions in Table 9-5 are not satisfied, the STOP instruction is treated as an NOP instruction.
Table 9-5. STOP Instruction Execution Conditions
Operand Value
Execution Conditions
1000B (08H)
<1> High level input for all P0A
0
to P0A
3
pins
<2> When P0B
0
to P0B
3
, P0C
0
to P0C
3
, and P0D
0
to P0D
3
are used as input pins and all pins
are high
<3> If the INT pin interrupt request flag (IRQ) for an interrupt for which the INT pin interrupt
enable flag (IP) is set is reset
<4> A high level must be input to all the pins if P0E
0
to P0E
3
are used as input pins when a
key matrix is used.
<5> A level reverse to the set clear level
Note
must be input to all the pins if P1A
0
to P1A
2
and
P1B
0
are used as input pins when a key matrix is used (for example, if the clear level is
high, the execution condition is low-level input).
Other than above
Setting prohibited
Note
Set the clear level by using bits 0 to 2 (P1AHL0 to P1AHL2) of the register file at address 05H, and bit 2
(P1BHL0) at address 15H.
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