sae81c90 Infineon Technologies Corporation, sae81c90 Datasheet - Page 17

• Manufacturer Part Number: sae81c90
• Description: Standalone Full-can Controller
• Manufacturer: Infineon Technologies Corporation

Output-Control Register
The output drivers of the SAE 81C90/91’s transmit pins (TXn) can be individually configured. Thus
they can be adapted to the requirements of the external bs system.
OC
Address: 02
Reset Value: 00
Bit(field)
OCM
OCPn
OCTNn
OCTPn
n = 0, 1
Note: This register can only be written when bit IM (MOD.0) is set.
Figure 5
Output Control Circuitry
Semiconductor Group
H
H
Function
Output Mode
’0X’: Normal Mode:
’10’: Test Mode:
’11’: Clock Mode:
Output Polarity
’0’:
’1’:
Negative Output Transistor Control
’0’:
’1’:
Positive Output Transistor Control
’0’:
’1’:
OCTP1 OCTN1
Output is driven directly with CAN data.
Output is driven with inverted CAN data.
The low side output transistor TnN is disabled.
The low side output transistor TnN drives the pin according to data.
The high side output transistor TnP is disabled.
The high side output transistor TnP drives the pin according to data.
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7
07Feb95@09:05h Intermediate Version
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6
OCP1
TX0 = Bit Sequence,
TX0 = Bit Sequence,
TX0 = Bit Sequence,
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5
16
OCTP0 OCTN0
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4
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3
TX1 = Bit Sequence.
TX1 = RX0.
TX1 = Bit Clock.
OCP0
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2
SAE 81C90/91
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1
OCM
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0