uja1023 NXP Semiconductors, uja1023 Datasheet - Page 15

• Manufacturer Part Number: uja1023
• Description: Uja1023 Lin-i/o Slave
• Manufacturer: NXP Semiconductors

Philips Semiconductors
UJA1023_4
Product data sheet
7.2.1.4 Read by identifier
It is possible to read the supplier identifier, function identifier and the variant of the
UJA1023 by means of the read by identifier request. The format for this request is shown
in
in
Table 11.
Table 12.
Table 13.
[1]
Data
byte
D0
D1
D2
D3
D4
D5
D6
D7
Byte
D0
D1
D2
D3
D4 and D5
D6 and D7
Data
byte
D0
D1
D2
D3
D4
D5
D6
D7
Table
Table
d = different values possible; see
11. The positive response is shown in
14.
7
NAD7
0
1
0
0
0
0
0
7
NAD7
0
1
0
0
0
0
d
Read by identifier (LIN product identification)
Read by identifier bit description
Read by identifier positive response
Bit
7 to 0
7 to 0
7 to 0
7 to 1
7 to 0
7 to 0
6
NAD6
0
0
0
0
0
0
0
6
NAD6
0
1
0
0
0
0
d
Symbol
NAD[7:0]
PCI[7:0]
SID[7:0]
-
-
-
Rev. 04 — 5 July 2006
5
NAD5
0
1
0
0
0
0
0
5
NAD5
0
1
0
0
0
0
d
Table
Description
Slave Node Address (NAD). NAD values are in the range
from 1 to 127, while 0 and 128 to 255 are reserved for other
purposes. The slave node address is assigned with the
assign NAD command (see
Protocol control information.
Service identifier. As SlaveResp the RSID code will be 0xF2
for a positive response and 0x7F for a negative response.
Identifier. Only the LIN product identifier 0x00 is supported.
Supplier ID. Fixed to 0x0011 for Philips.
Function ID. For the UJA1023 this code is fixed to 0x0000.
12.
4
NAD4
0
1
0
1
0
0
0
4
NAD4
0
1
1
0
0
0
d
3
NAD3
0
0
0
0
0
0
0
3
NAD3
0
0
0
0
0
0
d
[1]
Table
13, the negative response is shown
2
NAD2
1
0
0
0
0
0
0
2
NAD2
1
0
0
0
0
0
d
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Table
1
NAD1
1
1
0
0
0
0
0
1
NAD1
1
1
0
0
0
0
d
5).
UJA1023
0
NAD0
0
0
0
1
0
0
0
0
NAD0
0
0
1
0
0
0
d
LIN-I/O slave
Default
value
(hex)
NAD
06
B2
00
11
00
00
00
Default
value
(hex)
NAD
06
F2
11
00
00
00
variant
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