Rev. 3.0, 03/01, page 234 of 390
Status Register [cont’d]
Bit
Description
Default
15
Indicates the transmit buffer is accessible
1: READ/WRITE can be performed to TXDB1.
0: READ/WRITE can be performed to TXDB0.
This bit will be set when the following two conditions are met.
1) When only transmit data buffer 1 is empty
2) When the TE bit is set to 1
The bit will be cleared when either one of the following conditions is met.
1) When transmit data buffer 0 becomes empty
2) When the TE bit in CTR is cleared to 0
3) At RESET
This bit can be written to when the TE bit is 0.
0
14
Indicates the receive-buffer is accessible
1: READ/WRITE can be performed to RXDB1.
0: READ/WRITE can be performed to RXDB0.
This bit will be set when the receive data buffer 1 is full and receive data buffer 0 is not
full.
This bit will be cleared when either one of the following conditions is met.
1) When receive data buffer 0 becomes full
2) At RESET
This bit can be written to when the RE bit is 0.
0
13 - 4
Reserved
0
3
Indicates a transmit error
1: indicates that a transmission error has occurred.
0: indicates that a transmission error does not occur.
This bit will be set when the next FS is received while both transmit data buffers are
empty.
This bit will be cleared when either one of the following conditions is met.
1.
At RESET
2.
When STR is read and 0 is written to this bit, after the bit is set to 1
3.
When the TE bit in CTR is cleared to 0
0
Summary of Contents for HD64465
Page 25: ...Rev 3 0 03 01 page 6 of 390 ...
Page 59: ...Rev 3 0 03 01 page 40 of 390 ...
Page 97: ...Rev 3 0 03 01 page 78 of 390 ...
Page 147: ...Rev 3 0 03 01 page 128 of 390 ...
Page 199: ...Rev 3 0 03 01 page 180 of 390 ...
Page 247: ...Rev 3 0 03 01 page 228 of 390 ...
Page 385: ...Rev 3 0 03 01 page 366 of 390 ...
Page 389: ...Rev 3 0 03 01 page 370 of 390 ...
Page 409: ...Rev 3 0 03 01 page 390 of 390 ...