sae81c90 Infineon Technologies Corporation, sae81c90 Datasheet - Page 25

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

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