HAL_FLASH_Lock () 功能是（）Flash ROM函数.
HAL_FLASH_Lock () 功能是（）Flash ROM函数.
事务T1符合两段锁封锁法的序列是（） A: LOCK S(A)...LOCKS S(B) ...UNLOCK (B) ... UNLOCK (A) B: LOCK S(A) UNLOCK (A) LOCK S(B) UNLOCK (A) C: LOCK S(B) LOCK X(A) UNLOCK (A) LOCK S(C) D: UNLOCK (A) UNLOCK (B) LOCK X(A) LOCK X(B)
事务T1符合两段锁封锁法的序列是（） A: LOCK S(A)...LOCKS S(B) ...UNLOCK (B) ... UNLOCK (A) B: LOCK S(A) UNLOCK (A) LOCK S(B) UNLOCK (A) C: LOCK S(B) LOCK X(A) UNLOCK (A) LOCK S(C) D: UNLOCK (A) UNLOCK (B) LOCK X(A) LOCK X(B)
Both Hal and I were ___________________(tremendous)excited about the possibility.
Both Hal and I were ___________________(tremendous)excited about the possibility.
Don’t forget to lock the door! ______ to lock the door!
Don’t forget to lock the door! ______ to lock the door!
Scan the text and find the sentences containing the word "lock or the word root "lock".
Scan the text and find the sentences containing the word "lock or the word root "lock".
Hal didn't get the job_________ he applied for. A: where B: that
Hal didn't get the job_________ he applied for. A: where B: that
We'll _____ the gates. We'll _____ the staff.（ ） A: reduce; lock B: lock; reduce
We'll _____ the gates. We'll _____ the staff.（ ） A: reduce; lock B: lock; reduce
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;
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;
KEY、LCD、UART、LED四种驱动，有几种在HAL层
KEY、LCD、UART、LED四种驱动，有几种在HAL层
HAL库的可移植性和可读性比标准外设库更好。
HAL库的可移植性和可读性比标准外设库更好。