參數(shù)資料
型號: MB90580C
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 67/110頁
文件大?。?/td> 540K
代理商: MB90580C
MB90580C Series
67
16. IEBus
TM
Controller
The IEBus
TM
(Inter-Equipment Bus) is a small-scale, two-wire serial bus interface designed for data transfer
between pieces of equipment.
This interface is applicable, for example, as a bus interface for controlling vehicle-mounted devices.
IEBus
TM
has the following features:
Multitasking
Any of the units connected to the IEBus
TM
can transmit data to another one.
Broadcast function (Communication from one unit to multiple units)
Group broadcast : Broadcast to a group of units
All-unit broadcast
: Broadcast to all units
Three modes can be selected for different transmission speeds.
IEBus
TM
internal frequency
Data buffer for transmission
8-byte FIFO buffer
Data buffer for reception
8-byte FIFO buffer
CPU internal operating frequency (12 MHz, 12.58 MHz)
Frequency tolerance
In mode 0 or 1 :
±
1.5
%
In mode 2 :
±
0.5
%
(1) Register configuration
(Continued)
6 MHz
6.29 MHz
Mode 0
About 3.9 Kbps
About 4.1 Kbps
Mode 1
About 17 Kbps
About 18 Kbps
Mode 2
About 26 Kbps
About 27 Kbps
Local-office address setting register H
bit
15
14
13
12
11
10
9
8
Address
: 000071
H
ReservedReservedReservedReserved
MA11 MA10 MA09 MA08
Access (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Initial value
(X)
(X)
(X)
MAWH
(X)
(X)
(X)
(X)
(X)
Local-office address setting register L
bit
7
6
5
4
3
2
1
0
Address
: 000070
H
MA07
MA06
MA05
MA04 MA03 MA02 MA01 MA00
MAWL
Access (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Initial value
(X)
(X)
(X)
(X)
(X)
(X)
(X)
(X)
Slave address setting register H
bit
15
14
13
12
11
10
9
8
Address
: 000073
H
ReservedReservedReservedReserved
SA11
Access (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Initial value
(X)
(X)
(X)
SA10
SA09
SA08
SAWH
(X)
(X)
(X)
(X)
(X)
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