NXP Semiconductors
PT2001SWUG
PT2001 programming guide and instruction set
PT2001SWUG
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2019. All rights reserved.
User guide
Rev. 3.0 — 29 April 2019
107 / 153
slfbks
Description:
Selects the feedback for V
DS
HS1 to HS5 based on shortcut.
In addition, this instruction enables the automatic diagnosis.
This operation is successful only if the microcore has the right to drive the related
outputs. The drive right is granted by setting the related bits in the Out_acc_ucX_chY
(184h, 185h, 186h, 187h) configuration registers.
The reset of Ref value is boost.
Assembler syntax:
slfbk Dest Ref Diag;
Operands:
•
Dest – Shortcut used for VDS feedback.
Operand label
Operand description
Sh1
Shortcut 1
Sh2
Shortcut 2
Sh3
Shortcut 3
•
Ref – Operand defines the feedback reference for both V
DS
s of the high-side predrivers
2, 4, and 6.
Operand label
Operand description
boost
Both V
DS
s of the high-side predrivers 2 and 4 are referred to boost voltage
(VBOOST pin)
bat
Both V
DS
s of the high-side predrivers 2 and 4 are referred to bat voltage
(VBATT pin)
•
Diag – Operand defines the diagnosis status for both V
DS
s of the high-side predrivers 2
and 4.
Operand label
Operand description
keep
No changes, maintains the previous setting
off
Automatic diagnosis disabled
on
Automatic diagnosis enabled
Table 95. slfbks instruction format
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
1
0
1
0
1
1
1
0
Dest
Ref
Diag