CD2401 Intel, CD2401 Datasheet - Page 150

• Manufacturer Part Number: CD2401
• Description: Multi-protocol Communications Controller
• Manufacturer: Intel

CD2401 — Multi-Protocol Communications Controller
8.6.5.5
8.6.5.6
8.6.5.7
150
Register Name: ATBCNT
Register Description: Transmit Buffer A Byte Count
Default Value: x’0000
Access: Word Read/Write
Register Name: BTBCNT
Register Description: Transmit Buffer B Byte Count
Default Value: x’0000
Access: Word Read/Write
Register Name: ATBSTS
Register Description: Transmit Buffer A Status Register
Default Value: x’00
Access: Byte Read/Write
Bit 15
Bit 15
Bit 7
Bit 7
Bit 7
Berr
A Buffer Transmit Byte Count (ATBCNT) Register
B Buffer Transmit Byte Count (BTBCNT) Register
These registers contain the count of bytes to be transmitted from the respective buffer.
A Transmit Buffer Status (ATBSTS) Register
Bit 14
Bit 14
Bit 6
Bit 6
Bit 6
EOF
Bit 13
Bit 13
Bit 5
Bit 5
Bit 5
EOB
Binary Count Value, 16-bit Count bits 15:8
Binary Count Value, 16-bit Count bits 15:8
Binary Count Value, 16-bit Count bits 7:0
Binary Count Value, 16-bit Count bits 7:0
Bit 12
Bit 12
Bit 4
Bit 4
Bit 4
UE
Append
Bit 11
Bit 11
Bit 3
Bit 3
Bit 3
Bit 10
Bit 10
Bit 2
Bit 2
Bit 2
0
Motorola Hex Address: x’5A
Motorola Hex Address: x’58
Motorola Hex Address: x’5F
INTR
Bit 9
Bit 1
Bit 9
Bit 1
Bit 1
Intel Hex Address: x’5A
Intel Hex Address: x’5C
Intel Hex Address: x’58
Datasheet
2401own
Bit 8
Bit 0
Bit 8
Bit 0
Bit 0