Motorola MC68838, User Manual

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3- 2 MC68838 USER’S MANUAL MOTOROLA
Table 3-1. MAC Registers
Register Name Mnemonic
NPA5–NPA0
Hex
No. of
Bits Type
Control Register A MAC_CNTRL_A 00 16 Read/Write
Control Register B MAC_CNTRL_B 01 16 Read/Write
Interrupt Mask Register A INTR_MASK_A 02 16 Read/Write
Interrupt Mask Register B INTR_MASK_B 03 16 Read/Write
Interrupt Mask Register C INTR_MASK_C 04 16 Read/Write
My Short Address Register MSA 10 16 Read/Cntl Write
My Long Address Register A MLA_A 11 16 Read/Cntl Write
My Long Address Register B MLA_B 12 16 Read/Cntl Write
My Long Address Register C MLA_C 13 16 Read/Cntl Write
Target Request Time Register T_REQ 14 16 Read/Cntl Write
TVX, TRT Initial Timer Parameter Register TVX_VALUE & T_MAX 15 16 Read/Cntl Write
Revision Number Register REV_NO_REG 1C 12 Read-Only
Void Time Register VOID_TIME 1E 16 Read-Only
Token Count Register TOKEN_CT 1F 16 Read-Only Clear
Frame Count Register FRAME_CT 20 16 Read-Only Clear
Lost and Error Count Register LOST_CT & ERROR_CT 21 12 Read-Only Clear
Interrupt Event Register A INTR_EVENT_A 22 16 Read-Only Clear
Interrupt Event Register B INTR_EVENT_B 23 16 Read-Only Clear
Interrupt Event Register C INTR_EVENT_C 1D 3 Read-Only Clear
Receive Status Register RX_STATUS 24 16 Read-Only
Transmit Status Register TX_STATUS 25 16 Read-Only
TRT Time Remaining Register A T_NEG_A 26 16 Read-Only
TRT Time Remaining Register B T_NEG_B 27 8 Read-Only
Information Field Register A INFO_REG_A 28 16 Read-Only
Information Field Register B INFO_REG_B 29 16 Read-Only
BIST Signature Register BIST_SIGNATURE 2A 16 Read-Only
TVX Timer Register TVX_TIMER 2B 16 Read-Only
TRT Timer Register A TRT_TIMER_A 2C 16 Read-Only
TRT Timer Register B TRT_TIMER_B 2D 8 Read-Only
THT Timer Register A THT_TIMER_A 2E 16 Read-Only
THT Timer, Sent Count Registers SENT_COUNT &THT_TIMER_B 2F 16 Read-Only
Packet Request Register PKT_REQUEST 30 16 Read-Only
Receive CRC Register A RC_CRC_A 31 16 Read-Only
Receive CRC Register B RC_CRC_B 32 16 Read-Only
Transmit CRC Register A TX_CRC_A 33 16 Read-Only
Transmit CRC Register B TX_CRC_B 34 16 Read-Only
ARCHIVE INFORMA
TION
ARCHIVE INFORMA
TION