uja1078a NXP Semiconductors, uja1078a Datasheet - Page 13

• Manufacturer Part Number: uja1078a
• Description: High-speed Can/dual Lin Core System Basis Chip
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 5.
[1]
[2]
UJA1078A
Product data sheet
Bit
15:13
12
11:10
9
8
7
6
5
4
3:0
Bit LHWC is set to 1 after a reset.
Bit LHC is set to 1 after a reset, if LHWC was set to 1 prior to the reset.
Symbol
A2, A1, A0 R
RO
MC
LHWC
LHC
ENC
LSC
WBC
PDC
reserved
Mode_Control register
[2]
[1]
6.2.4 Mode_Control register
Access Power-on
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
default
001
0
00
1
0
0
0
0
0
0000
All information provided in this document is subject to legal disclaimers.
Description
register address
access status
mode control
limp home warning control
limp home control
enable control
LIN slope control
wake bias control
power distribution control
0: register set to read/write
1: register set to read only
00: Standby mode
01: Sleep mode
10: Normal mode; V2 off
11: Normal mode; V2 on
0: no limp home warning
1: limp home warning is set; next reset will activate LIMP output
0: LIMP pin set floating
1: LIMP pin driven LOW
0: EN pin driven LOW
1: EN pin driven HIGH in Normal mode
0: normal slope, 20 kbit/s
1: low slope, 10.4 kbit/s
0: pin WBIAS floating if WSEn = 0; 16 ms sampling if WSEn = 1
1: pin WBIAS LOW if WSEn = 0; 64 ms sampling if WSEn = 1
0: V1 threshold current for activating the external PNP transistor; load current
rising; I
PNP transistor; load current falling; I
1: V1 threshold current for activating the external PNP transistor; load current
rising; I
PNP transistor; load current falling; I
Rev. 01 — 9 July 2010
th(act)PNP
th(act)PNP
= 85 mA; V1 threshold current for deactivating the external
= 50 mA; V1 threshold current for deactivating the external
High-speed CAN/dual LIN core system basis chip
th(deact)PNP
th(deact)PNP
= 50 mA; see
= 15 mA; see
UJA1078A
© NXP B.V. 2010. All rights reserved.
Figure 7
Figure 7
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