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參數(shù)資料
| 型號： | 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)： | 1/92頁 |
| 文件大小： | 541K |
| 代理商： | UPD72042BGT |
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1995
DATA SHEET
LSI DEVICES FOR Inter Equipment Bus
TM
(IEBus
TM
)
PROTOCOL CONTROL
MOS INTEGRATED CIRCUIT
μ
PD72042A, 72042B
The
μ
PD72042A and
μ
PD72042B are microcomputer peripheral LSI devices for IEBus protocol control.
The
μ
PD72042A and
μ
PD72042B perform all the processing required for layers 1 and 2 of the IEBus. The devices
incorporate large transmission and reception buffers, allowing the microcomputer to perform IEBus operations without
interruption. They also contain an IEBus driver and receiver, allowing them to directly connected to the bus directly.
FEATURES
Control of layers 1 and 2 of the IEBus protocol
Support of a multi-master scheme
Broadcast function
Two communication modes having different
transmission speeds can be selected.
Microcomputer interface
Three-/two-wire serial I/O
Transfer starting with MSB
Transfer starting with LSB
Program crashes can be detected by means of a
watchdog timer.
Low power consumption (standby mode):
50
μ
A (max)
Oscillator frequency (f
X
): 6 MHz, 6.29 MHz
frequency accuracy:
±
1.5%
Operating voltage: 5 V
±
10%
:
μ
PD72042A
:
μ
PD72042B
When operating
at 6 MHz
When operating
at 6.29 MHz
Mode 0
Approx. 3.9 Kbps
Approx. 4.1 Kbps
Mode 1
Approx. 17 Kbps
Approx. 18 Kbps
Document No. S13990EJ2V0DS00 (2nd edition)
(Previous No. ID-3649)
Date Published January 1999 N CP(N)
Printed in Japan
G
G
Built-in IEBus driver and receiver
G
G
Transmission and reception buffers
Transmission buffer
Reception buffer
: 33 bytes, FIFO
: 40 bytes, FIFO (capable of
holding more than one frame
of reception data.)
ORDERING INFORMATION
Part number
Package
Starting with MSB/LSB
μ
PD72042AGT
μ
PD72042BGT
16-pin plastic SOP (375 mil)
16-pin plastic SOP (375 mil)
MSB
LSB
The mark shows major revised points.
The information in this document is subject to change without notice.
相關(guān)PDF資料 |
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|---|---|
| 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD72042BGT-A | 制造商:Renesas Electronics 功能描述:LSI Device 16-Pin SOP 制造商:Renesas Electronics 功能描述:LSI Device 16-Pin SOP Cut Tape |
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