参数资料
型号: MC68838FCC
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 1 CHANNEL(S), 125M bps, FDDI CONTROLLER, CQFP120
封装: CERAMIC, QFP-120
文件页数: 16/100页
文件大小: 465K
代理商: MC68838FCC
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
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