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MSM6636B の電気的特性と機能

MSM6636BのメーカーはOKI electronic componetsです、この部品の機能は「SAE-J1850 Multiplex Communication Protocol Conformity Transmission Controller for Automotive LAN」です。


製品の詳細 ( Datasheet PDF )

部品番号
MSM6636B
部品説明
SAE-J1850 Multiplex Communication Protocol Conformity Transmission Controller for Automotive LAN
メーカ
OKI electronic componets
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MSM6636B Datasheet, MSM6636B PDF,ピン配置, 機能
E2E1035-27-Y2
¡ Semiconductor¡ Semiconductor
This version:MJSanM. 61699386B
Previous version: Nov. 1996
MSM6636B
SAE-J1850 Multiplex Communication Protocol Conformity Transmission Controller for
Automotive LAN
GENERAL DESCRIPTION
The MSM6636B is a transmission controller for automotive LAN based on data communication
protocol SAE-J1850. This device can realize a data bus topology bus LAN system with a PWM
bit encoding method (41.6 kbps). In addition to a protocol control circuit, MSM6636B has an
enclosed quartz oscillation circuit, host CPU interface (parallel interface), a transmit/receive
buffer, and a bus receiver circuit that decreases the burden on the host CPU.
FEATURES
• Based on SAE-J1850 CLASS B DATA COMMUNICATION NETWORK INTERFACE (issued
August 12, 1991)
• Non-destructive collision and priority control using CSMA/CD
• Internal transmit buffer (1 frame) and receive buffer (2 frames)
• Modulating/demodulating: PWM (Pulse Width Modulation)
• Transmission speed: 41.6 kbps
• Multi-address setting with physical addressing: 1 type / functional addressing: 15 types
• Address filter function by multi-addressing (broadcasting possible)
• Automatic retransmission function by arbitration loss and non ACK
• Three types of in-frame response support:
q Single-byte response from a single node
w Multi-byte response from a single node (with CRC code)
e Single-byte response from multiple nodes (ID response as ACK)
• Error detection by cyclic redundancy check (CRC)
• Various communication error detections
• Dual-wire bus abnormality detection by internal bus receiver and fault tolerance function
• Host CPU interface is accessed in parallel
• Sleep function
Low current consumption mode by oscillation stop (IDS Max < 50µA)
SLEEP / WAKE UP control from host CPU, WAKE UP via LAN bus
• Package: 24-pin plastic SOP (SOP24-P-430-1.27-K) (Product name : MSM6636BGS-K)
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1 Page





MSM6636B pdf, ピン配列
¡ Semiconductor
PIN CONFIGURATION (TOP VIEW)
WR 1
RD 2
ALE 3
INT 4
RES 5
AVDD 6
BO– 7
BI– 8
BI+ 9
BO+ 10
AGND 11
DGND 12
24 DVDD
23 AD7
22 AD6
21 AD5
20 AD4
19 AD3
18 AD2
17 AD1
16 AD0
15 CS
14 OSC0
13 OSC1
24-Pin Plastic SOP
MSM6636B
PIN DESCRIPTION
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16-23
24
Symbol
WR
RD
ALE
INT
RES
AVDD
BO–
BI–
BI+
BO+
AGND
DGND
OSC1
OSC0
CS
AD0-7
DVDD
Type
Description
I Data write enable input pin
I Data read enable input pin
I Address latch input pin
O Interrupt output pin
I Reset input pin
— Analog power supply voltage
O LAN—BUS output –
I LAN—BUS input –
I LAN—BUS input +
O LAN—BUS output +
— Analog ground pin
— Digital ground pin
O Crystal (or ceramic resonator) oscillation output
I Crystal (or ceramic resonator) oscillaiton input
I Chip select input pin
I/O Address input/data input-output pin
— Digital power supply voltage
3/13


3Pages


MSM6636B 電子部品, 半導体
¡ Semiconductor
MSM6636B
AC Chacteristics
• PWM bit timing
Parameter
Bit Length
"1" Dominant Width
"0" Dominant Width
"SOF" Dominant Width
"SOF, BRK" Length
"BRK" Dominant Width
"EOD" + Bit Length
"EOF" + Bit Length
"EOF + IFS" " + Bit Length
"0" Passive Width
Symbol
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
DVDD=AVDD=5V±10%, Ta=–40 to +85°C, In setting 41.6 kbps
Transmit
min typ max
Receive
min max
Unit
23.64 24.00 24.36 21.00 28.00 ms
6.90 7.00 7.11 5.00 12.00 ms
14.87 15.00 15.23 13.00 20.00 ms
30.54 31.00 31.47 29.00 36.00 ms
47.28 48.00 48.72 45.00 52.00 ms
38.42 39.00 39.59 37.00 44.00 ms
47.28 48.00 48.72 43.00 51.00 ms
70.92 72.00 — 69.00 76.00 ms
94.56 96.00 — 86.00 — ms
8.86 9.00 9.14 4.00 15.00 ms
Note: The sending timing in the above table does not include the delay of the bus drivers.
Dominant
"1"
Passive
TP2
Dominant
"0 "
Passive
Dominant
" SOF "
Passive
Dominant
" EOD "
Passive
Dominant
" EOF "
" IFS "
Passive
Dominant
" BRK "
Passive
TP3
TP1
TP10
TP4
TP5
LAST BIT
TP7
EOD
LAST BIT
EOF
TP8
TP9
TP6
TP5
IFS
6/13

6 Page

合計 : 13 ページ
PDF ダウンロード

[ MSM6636B データシート.PDF ]

データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。

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部品番号部品説明メーカ
MSM6636

SAE-J1850 Communication Protocol Conformity Transmission Controller for Automotive LAN

OKI electronic componets
OKI electronic componets
MSM6636B

SAE-J1850 Multiplex Communication Protocol Conformity Transmission Controller for Automotive LAN

OKI electronic componets
OKI electronic componets

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