ST92F124R1 STMicroelectronics, ST92F124R1 Datasheet - Page 400

• Manufacturer Part Number: ST92F124R1
• Description: 8/16-bit Single Voltage Flash Mcu Family With Ram, E?? Emulated Eeprom , Can 2.0b And J1850 Blpd
• Manufacturer: STMicroelectronics

ST92F124/F150/F250 - ELECTRICAL CHARACTERISTICS
J1850 BYTE LEVEL PROTOCOL DECODER TIMING TABLE
(V
Note:
(1) Values obtained with internal frequency at 24 MHz (INTCLK), with CLKSEL Register set to 23.
(2) In Transmission Mode, symbol durations are compliant to nominal values defined by the J1850 Protocol Specifications.
(3) All values are reported with a precision of ±1 μs.
J1850 PROTOCOL TIMING
400/429
1
T
T
T
T
T
T
T
T
T
T
T
T
T
Symbol
DD
F
IB
P0
A0
P1
A1
NBS
NBL
SOF
EOD
EOF
BRK
IDLE
= 5V ± 10%, T
VPWO
VPWO
Symbols Filtered
Invalid Bit Detected
Passive Data Bit “0”
Active Data Bit “0”
Passive Data Bit “1”
Active Data Bit “1”
Short Normalization Bit
Long Normalization Bit
Start Of Frame Symbol
End Of Data Symbol
End Of Frame Symbol
Break Symbol
Idle Symbol
A
T
T
SOF
SOF
=
Parameter
–
40°C to +125°C, C
T
T
P0
P0
T
T
A0
A0
T
T
P1
P1
T
T
A1
A1
Load
= 50pF, f
> 163
> 280
> 163
> 239
> 239
Receive Mode
Min
> 34
> 96
> 96
> 34
> 34
> 96
> 7
0
INTCLK
T
T
≤ 163
≤ 163
≤ 163
≤ 239
≤ 239
Max
≤ 34
≤ 96
≤ 96
≤ 96
EOD
EOD
≤ 7
-
-
-
T
Value
= 24MHz, unless otherwise specified)
NBS
T
NBL
Transmission Mode
Nominal
128
128
128
200
200
280
300
300
64
64
64
-
-
T
T
T
T
EOF
EOF
IDLE
IDLE
Unit
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
(1)(2)(3)
(1)(2)(3)
(1)(2)(3)
(1)(2)(3)
(1)(2)(3)
(1)(2)(3)
(1)(2)(3)
(1)(2)(3)
(1)(2)(3)
(1)(2)(3)
(1)(2)(3)
Note
(1)(2)
(1)(2)