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| 型號(hào)： | P912XDP512J1VAA |
| 廠商： | 飛思卡爾半導(dǎo)體(中國(guó))有限公司 |
| 英文描述： | Covers, S12XD, S12XB & S12XA Families |
| 中文描述： | 封面，S12XD，S12XB |
| 文件頁(yè)數(shù)： | 453/1350頁(yè) |
| 文件大小： | 3951K |
| 代理商： | P912XDP512J1VAA |
Chapter 10 Freescale’s Scalable Controller Area Network (S12MSCANV3)
MC9S12XDP512 Data Sheet, Rev. 2.17
Freescale Semiconductor
453
10.3.3.2
Data Segment Registers (DSR0-7)
The eight data segment registers, each with bits DB[7:0], contain the data to be transmitted or received.
The number of bytes to be transmitted or received is determined by the data length code in the
corresponding DLR register.
Table 10-30. IDR1 Register Field Descriptions
Field
Description
7:5
ID[2:0]
Standard Format Identifier —
The identifiers consist of 11 bits (ID[10:0]) for the standard format. ID10 is the
most significant bit and is transmitted first on the CAN bus during the arbitration procedure. The priority of an
identifier is defined to be highest for the smallest binary number. See also ID bits in
Table 10-29
.
4
RTR
Remote Transmission Request
— This flag reflects the status of the Remote Transmission Request bit in the
CAN frame. In the case of a receive buffer, it indicates the status of the received frame and supports the
transmission of an answering frame in software. In the case of a transmit buffer, this flag defines the setting of
the RTR bit to be sent.
0 Data frame
1 Remote frame
3
IDE
ID Extended
— This flag indicates whether the extended or standard identifier format is applied in this buffer. In
the case of a receive buffer, the flag is set as received and indicates to the CPU how to process the buffer
identifier registers. In the case of a transmit buffer, the flag indicates to the MSCAN what type of identifier to send.
0 Standard format (11 bit)
1 Extended format (29 bit)
7
6
5
4
3
2
1
0
R
W
Reset:
x
x
x
x
x
x
x
x
= Unused; always read ‘x’
Figure 10-32. Identifier Register 2 — Standard Mapping
7
6
5
4
3
2
1
0
R
W
Reset:
x
x
x
x
x
x
x
x
= Unused; always read ‘x’
Figure 10-33. Identifier Register 3 — Standard Mapping
相關(guān)PDF資料 |
PDF描述 |
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| P912XDP512J1VAAR | Covers, S12XD, S12XB & S12XA Families |
| P912XDP512J1VAG | Covers, S12XD, S12XB & S12XA Families |
| P912XDP512J1VAGR | Covers, S12XD, S12XB & S12XA Families |
| P912XDP512J1VAL | Covers, S12XD, S12XB & S12XA Families |
| P912XDP512J1VALR | Covers, S12XD, S12XB & S12XA Families |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P912XDP512J1VPVR | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCS12X Microcontrollers |
| P912XEQ512J2MAL | 制造商:Freescale Semiconductor 功能描述: |
| P913 | 功能描述:重負(fù)荷電源連接器 SB350 CR HOUSING ONLY, RED RoHS:否 制造商:Hirose Connector 系列:PS2 產(chǎn)品類型:Connectors 位置/觸點(diǎn)數(shù)量: 端接類型:Crimp 觸點(diǎn)材料: 觸點(diǎn)電鍍:Gold 電壓額定值: 電流額定值:300 A 附件類型: |
| P9-131121 | 制造商:OTTO 功能描述:Pushbutton Switches Flush Dome QuickConn 5A SPST-DB, SPDT-DB 制造商:OTTO Engineering Inc 功能描述:Switch Push Button N.O. Flush Dome 5A 115VAC 28VDC Momentary Contact Quick Connect Panel Mount |
| P9-131121W | 功能描述:按鈕開關(guān) Flush Dome QuickConn 5A SPST-DB, SPDT-DB RoHS:否 制造商:OTTO 觸點(diǎn)形式: 開關(guān)功能: 電流額定值: 電壓額定值 AC: 電壓額定值 DC: 功率額定值: 安裝風(fēng)格: 照明: 照明顏色: IP 等級(jí): 端接類型: 觸點(diǎn)電鍍: 執(zhí)行器: 蓋顏色: 封裝: 可燃性等級(jí): |
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