ADC 0809采样结束后需要通过LOCK向锁存器LATCH发出锁存信号,以便将输出口的D[7:0]8位数据锁存起来,下列程序当中能够实现数据锁存功能的是()
A: always@(posedge LOCK) if (LOCK) REGL<=D;
B: always@(posedge LOCK) if (!LOCK) REGL<=D;
C: always@(posedge RST) if (!LOCK) REGL<=D;
D: always@(posedge RST or posedge LOCK ) if (!LOCK) REGL<=D;
A: always@(posedge LOCK) if (LOCK) REGL<=D;
B: always@(posedge LOCK) if (!LOCK) REGL<=D;
C: always@(posedge RST) if (!LOCK) REGL<=D;
D: always@(posedge RST or posedge LOCK ) if (!LOCK) REGL<=D;
举一反三
- ADC 0809采样结束后需要通过LOCK向锁存器LATCH发出锁存信号,以便将输出口的D[7:0]8位数据锁存起来,下列程序当中能够实现数据锁存功能的是() A: always@(posedge LOCK) if (LOCK) REGL<=D; B: always@(posedge LOCK) if (!LOCK) REGL<=D; C: always@(posedge RST) if (!LOCK) REGL<=D; D: always@(posedge RST or posedge LOCK ) if (!LOCK) REGL<=D;
- AD0809采样结束后通过LOCK向锁存器LATCH发出锁存信号,将输出8位信号锁存起来。 A: 正确 B: 错误
- 中国大学MOOC: AD0809采样结束后通过LOCK向锁存器LATCH发出锁存信号,将输出8位信号锁存起来。
- 下列哪一个表述是正确: A: always@(posedge CLK or RST) B: always@(posedge CLK or negedge RST or A) C: always@(posedge CLK or D or Q) D: always@(posedge CLK or negedge RST)
- 下列哪一个表述是正确: A: always@(posedge CLK or RST) B: always@(posedge CLK or negedge RST or A) C: always@(posedge CLK or D or Q) D: always@(posedge CLK or negedge RST)