SAE81C91N Infineon Technologies, SAE81C91N Datasheet - Page 25

• Manufacturer Part Number: SAE81C91N
• Manufacturer: Infineon Technologies

Specifications of SAE81C91N

• Number Of Transceivers: 1
• Power Down Mode: Sleep
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Baud Rate Prescaler Register
The register is not readable and can only be written when bit IM (MOD.0) is set.
BRPR
Address: 03
Reset Value: 00
Bit(field)
BRP
Note: Not defined bit positions must be ’0’ for write accesses.
The bit length
t
The baudrate BR can be computed with the following formula:
BR = f
Note: BRP
Semiconductor Group
BL
=
t
TSeg1
crystal
TS1
TS2
+
H
t
/ (2 x (BRP + 1) x (TS1 + TS2 + 3) )
TSeg2
t
BL
H
Function
Baud Rate Prescaler
This prescaler determines the period of the system clock:
t
SCL
is computed as follows:
+ 1
see Baud Rate Prescaler Register
see Bit Length Register 1
see Bit Length Register 1
= (BRP + 1)
t
SCL
7
–
07Feb95@09:05h Intermediate Version
-
6
–
-
2
t
OSC
, where
w
5
24
t
OSC
w
4
= 1 / f
crystal
w
3
.
BRP
w
2
SAE 81C90/91
w
1
w
0