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参数资料
| 型号： | STE10/100E |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP128 |
| 封装： | 14 X 20 MM, 2.70 MM HEIGHT, PLASTIC, QFP-128 |
| 文件页数： | 10/66页 |
| 文件大小： | 396K |
| 代理商： | STE10/100E |
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STE10/100A
18/66
22~ 20
TS
Transmit State. Reports the current transmission state only, no
interrupt will be generated.
000: stop
001: read descriptor
010: transmitting
011: FIFO fill, read the data from memory and put into FIFO
100: reserved
101: reserved
110: suspended, unavailable transmit descriptor or FIFO
overflow
111: write descriptor
000
RO
19~17
RS
Receive State. Reports current receive state only, no interrupt
will be generated.
000: stop
001: read descriptor
010: check this packet and pre-fetch next descriptor
011: wait for receiving data
100: suspended
101: write descriptor
110: flush the current FIFO
111: FIFO drain, move data from receiving FIFO into memory
000
RO
16
NISS
Normal Interrupt Status Summary. Set if any of the following
bits of CSR5 are asserted:
TCI, transmit completed interrupt (bit 0)
TDU, transmit descriptor unavailable (bit 2)
RCI, receive completed interrupt (bit 6)
0
RO/LH*
15
AISS
Abnormal Interrupt Status Summary. Set if any of the following
bits of CSR5 are asserted:
TPS, transmit process stopped (bit 1)
TJT, transmit jabber timer time-out (bit 3)
TUF, transmit under-flow (bit 5)
RDU, receive descriptor unavailable (bit 7)
RPS, receive process stopped (bit 8)
RWT, receive watchdog time-out (bit 9)
GPTT, general purpose timer time-out (bit 11)
FBE, fatal bus error (bit 13)
0
RO/LH*
14
----
reserved
13
FBE
Fatal Bus Error.
1: on occurrence of parity error, master abort, or target abort
(see bits 25~23 of CSR5). The STE10/100A will disable all bus
access. A software reset is required to recover from a parity
error.
0
RO/LH*
12
---
reserved
11
GPTT
General Purpose Timer Timeout, based on CSR11 timer
register
0
RO/LH*
10
---
reserved
9
RWT
Receive Watchdog Timeout, based on CSR15 watchdog timer
register
0
RO/LH*
8
RPS
Receive Process Stopped, receive state = stop
0
RO/LH*
Table 6. Control/Status register description
Bit #
Name
Descriptions
Default Val
RW Type
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