ST92F120V1Q7 STMicroelectronics, ST92F120V1Q7 Datasheet - Page 246

• Manufacturer Part Number: ST92F120V1Q7
• Description: Microcontrollers (MCU) Flash 128K SPI/I2C
• Manufacturer: STMicroelectronics

Specifications of ST92F120V1Q7

• Data Bus Width: 8 bit, 16 bit
• Program Memory Type: Flash
• Program Memory Size: 128 KB
• Data Ram Size: 4 KB
• Interface Type: I2C, SPI
• Maximum Clock Frequency: 24 MHz
• Number Of Programmable I/os: 77
• Number Of Timers: 5
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Package / Case: PQFP-100
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 16 Channel
• Lead Free Status / Rohs Status: No

J1850 Byte Level Protocol Decoder (JBLPD)
J1850 BYTE LEVEL PROTOCOL DECODER (Cont’d)
Figure 114. J1850 Arbitration Example
Figure 115. J1850 Received Symbol Timing
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9
Case 1
Case 2
Case 3
Transmitting
Transmitting
Transmitting
Node A
Node B
Node C
Signal
on Bus
VPWO
VPWI
VPW Decoder
VPWO
TX2
VPWI
VPW Decoder
VPWO
TX2
VPWI
VPW Decoder
Active
Passive
Active
Passive
Active
Passive
Active
Passive
-6
0
8
14
SOF
SOF
SOF
SOF
22
0
0
0
0
0
0
0
0
178 µs
178 µs
178 µs
1 1 0
1 1 0
1 1 0 1
1 1 0
0 0 1
0 0
0 0
192
200
0
0
208
214
222