tmp19a43fd TOSHIBA Semiconductor CORPORATION, tmp19a43fd Datasheet - Page 48

• Manufacturer Part Number: tmp19a43fd
• Description: 32-bit Risc Microprocessor
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Prepare to get a command
(Send 10H: normal response)
ACK data m Received data
RAM Transfer processing
m Received data (10H)
Set I/O Interface Mode
Get SIO operation mode
data
Transmission routine
m ACK data & 0xF0
3.3.14
Normal response
Single Boot
program starts
SIO Operation
Receive error?
RAM Transfer?
Receive routine
Get a command
Jump to RAM
(Send 30H)
Processed
ACK data
normally?
ACK data
Initialize
Mode?
(30H)
I/O Interface
No normally
Yes (10h)
Yes normally
General Boot Program Flowchart
Figure 3.6 shows an overall flowchart of the boot program.
UART
Yes
ACK data m Received data
Program UART mode and
(Send 20H: normal response)
Show Flash Memory Sum
m Received data (20H)
Transmission routine
Normal response
m ACK data 0x08
Memory Sum?
(Send 86H)
Show Flash
Figure 3.6 Overall Boot Program Flow
processing
Baud rate
baud rate
ACK data
ACK data
setting?
(86H)
Can be set
TMP19A43 (rev2.0)3-34
Yes (20h)
Cannot be set
(Send 30H: normal response)
Show Product Information
(Send x8H: Receive error)
m Received data (30H)
Transmission routine
Transmission routine
Show Product
Stop operation
Information?
processing
ACK data
Yes (30h)
Command error
Flash Memory Operation
TMP19A43
(Send x1H: Command error)
Transmission routine
m ACK data | 0x01
ACK data