參數(shù)資料
型號(hào)： UPD72042BGT
廠商： NEC Corp.
英文描述： LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
中文描述： LSI器件間設(shè)備BusTM（IEBusTM）協(xié)議控制
文件頁數(shù)： 36/92頁
文件大?。?/td> 541K
代理商： UPD72042BGT
μ
PD72042A, 72042B
36
DATA SHEET S13990EJ2V0DS00
UAR1
UAR2
Address
: 0010B (2H) (UAR1)
0011B (3H) (UAR2)
: Write
Read/write
When reset : Undefined (with the
previous data held)
Local station unit address register
UAR1 and UAR2 are registers used to set a local station unit address (12 bits) and condition code.
Set UAR1 and UAR2 after reset cancellation.
b7
Local station address
(low-order 4 bits)
b4
b3
b0
Condition code
UAR1
b7
b0
Local station address (high-order 8 bits)
UAR2
[Local station address]
A local station address is used as a master address when the local station performs communication as the master
unit. A local station address is used as a slave address when the local station performs communication as a slave.
[Condition code]
Bit position
Condition code
Condition setting
b3, b2
00
Communication is performed in mode 0.
01
Communication is performed in mode 1.
10
Undefined
11
b0
0
The slave transmission section is disabled.
1
The slave transmission section is enabled.
Remark
Bit 1 of a condition code is not used. (Set the bit to either 0 or 1.)
相關(guān)PDF資料
PDF描述
UPD72042A LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
UPD72042AGT LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
UPD72042B LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
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