T6818 ATMEL [ATMEL Corporation], T6818 Datasheet - Page 5

• Manufacturer Part Number: T6818
• Description: Triple Halfbridge DMOS Output Driver with Serial Input Control
• Manufacturer: ATMEL [ATMEL Corporation]

After power-on reset, the input register has the following status:
The following patterns are used to enable internal test modes of the IC. It is not recommended to use these patterns during
normal operation.
4530G–BCD–09/05
Bit 15
Bit 15
H
H
H
x
Bit 14
Bit 14
H
H
H
x
(OCS)
(OCS)
Bit 13
Bit 13
H
H
H
H
Bit 12
Bit 12
H
Table 3-2.
x
L
L
Bit
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
Bit 11
Bit 11
H
x
L
L
Output (Status)
Bit 10
Bit 10
Status HS1
Status HS2
Status HS3
Status LS1
Status LS2
Status LS3
Output Data Protocol
Register
H
x
L
L
SCD
n. u.
n. u.
n. u.
n. u.
n. u.
n. u.
OPL
PSF
TP
Bit 9
Bit 9
H
x
L
L
Bit 8
Bit 8
Function
Temperature prewarning: high = warning
High = output is on, low = output is off; not affected by SRR
High = output is on, low = output is off; not affected by SRR
Description see LS1
Description see HS1
Description see LS1
Description see HS1
Not used
Not used
Not used
Not used
Not used
Not used
Short circuit detected: set high when at least one high-side or low-side
switch is switched off by a short-circuit condition. Bits 1 to 6 can be used
to detect the shorted switch.
Open load detected: set high, when at least one active high-side or low-
side switch sinks/sources a current below the open load threshold
current.
Power-supply fail: undervoltage at pin VS detected
H
L
L
x
Bit 7
Bit 7
H
L
L
x
(HS3)
(HS3)
Bit 6
Bit 6
L
L
L
L
(LS3)
(LS3)
Bit 5
Bit 5
L
L
L
L
(HS2)
(HS2)
Bit 4
Bit 4
L
L
L
L
T6818/ATA6828
(LS2)
(LS2)
Bit 3
Bit 3
L
L
L
L
(HS1)
(HS1)
Bit 2
Bit 2
L
L
L
L
(LS1)
(LS1)
Bit 1
Bit 1
L
L
L
L
(SRR)
(SRR)
Bit 0
Bit 0
L
L
L
L
5