tmp19a44fda TOSHIBA Semiconductor CORPORATION, tmp19a44fda Datasheet - Page 613

• Manufacturer Part Number: tmp19a44fda
• Description: 32bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

10)
Flash Memory Operation
Prepare to get a command
(Send 10H: normal response)
ACK data← received data
RAM transfer processing
Get SIO operation mode
ACK data← ACK data &
← Received data (10H)
Set I/O interface mode
Transmission routine
Receive error ?
RAM transfer?
Normal response
General Boot Program Flowchart
Get a command
Receive routine
program starts
SIO operation
Jump to RAM
Single Boot
(Send 30H)
Processed
normally?
ACK data
Initialize
mode?
(30H)
0xF0
Fig. 24.8 shows an overall flowchart of the boot program.
No normally
YES (10H)
Yes normally
I/O interface
UART
Yes
Program UART mode and
ACK data← received data
← ACK data 0x08
Normal response
Fig. 24.8 Overall Boot Program Flow
(86H@UART)
(Send 86H)
Baud rate
ACK data
baud rate
setting ?
TMP19A44 (rev1.3)24-28
Can be set
Cannot be set
(Sendx8H:receive error)
Transmission routine
Stop operation
TMP19A44
2010-04-01