TMPR4937XBG-300 Toshiba, TMPR4937XBG-300 Datasheet - Page 540

• Manufacturer Part Number: TMPR4937XBG-300
• Manufacturer: Toshiba

Specifications of TMPR4937XBG-300

• Family Name: TX49
• Device Core Size: 64b
• Frequency (max): 300MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.5V
• Operating Supply Voltage (max): 1.6V
• Operating Supply Voltage (min): 1.4V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 484
• Package Type: BGA
• Lead Free Status / Rohs Status: Compliant

23.5 Notes on Serial I/O Port
•
[Restriction]
[Violation]
[Workarounds]
Restrictions on use of the break function in SIO
to Low immediately after the start bit.
detects the first flame error only, but not breaks.
immediately after the start bit), breaks can be detected correctly.
transmission.
consecutively to Low immediately after the start bit).
To transmit breaks to TX4937, synchronize breaks to the start bit. Set consecutively the transmit data
When the transmitting end transmits breaks to TX4937 in the middle of a transmission, TX4937
When the break reception is synchronized to the start bit (the receive data is consecutively set to Low
When breaks are transmitted to TX4937, it may not receive breaks.
This malfunction may occur when the transmitting end transmits breaks to TX4937 in the middle of a
To transmit breaks to TX4937, synchronize breaks to the start bit (set the transmitting data
Status
SIN
Status
SIN
(Malfunction)
(Correct operation)
* Since the start bit is not recognized after a flame error, the receiving status is stopped in idle state.
* When the receiving data is consecutively set to Low immediately after the start bit is recognized,
breaks can be detected.
Start
S 1 2 3 4 5 6 7 8 P S S 1 2 3 4 5 6 7 8 P S
Start
S 1 2 3 4 5 6 7 8 P S
↑
↑
Flame Error
23-10
1
Chapter 23 Notes on Use of TMPR4937
st
↑
Break
↑
2
nd
Break
↑