參數(shù)資料
型號: MB86967PFV
元件分類: 微控制器/微處理器
英文描述: 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁數(shù): 119/129頁
文件大?。?/td> 1519K
代理商: MB86967PFV
9
MB86967
(Continued)
Pin no.
Symbol
Pin name
I/O
Function
69
74
75
92
IREQ1/IOSEL0
IREQ2/IOSEL1
IREQ3/IOSEL2
IREQ0
INTERRUPT
REQUEST 0 to 3
(Active High)
IU/O Jumperless Mode
These pins are used for output of IR signals. One of
IREQ0 to IREQ3 is selected by configuration data in
EEPROM.
I/O ADDRESS
SELECT
Jumper Mode
These pins are used to select the I/O base
addresses to which the LAN controller is allocated.
83
DMACK
DMA
ACKNOWLEDGE
I
This pin is used for input of DMAC acknowledge
signals indicating that the DMAC is ready to transmit
and receive data to and from buffer memory.
3
IOCHRDY
I/O CHANNEL READY
(Active Low,
open-drain output)
OD
This pin is used for output of signals indicating
READY for handshaking with the host system.
84
IOCS16
I/O CHANNEL
SELECT 16
(Active Low,
open-drain output)
OD
This pin is used for output of signals indicating that
data transfer is made in a 16-bit I/O access cycle.
93
ENHB
ENABLE DATA HIGH
(Active Low)
O
This pin is used for output of enable signals for an
external upper system data bus transceiver.
95
ENLB
ENABLE DATA LOW
(Active Low)
O
This pin is used for output of enable signals for an
external lower system data bus transceiver.
99
EEPSK
SHIFT CLOCK
O
This pin is used for output of EEPROM shift clock
pulses.
97
EEPDI
DATA IN
O
This pin is connected to DATA IN pin of EEPROM.
96
EEPDO
DATA OUT
IU
This pin is connected to DATA OUT pin of EEPROM.
98
EECS
EEPROM CHIP
SELECT
(Active High)
O
This pin is used for output of EEPROM chip select
signals.
IOSEL2 IOSEL1 IOSEL0
I/O Base Address
00
0
260H to 27FH
00
1
280H to 29FH
01
0
2A0H to 2BFH
01
1
240H to 25FH
10
0
340H to 35FH
10
1
320H to 33FH
11
0
380H to 39FH
11
1
300H to 31FH
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