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CHAPTER 18
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PD78F0034BS
Preliminary User’s Manual U16035EJ1V0UM
Figure 18-2. Format of Communication Mode Selection
18.2.2 Flash memory programming function
Flash memory writing is performed through command and data transmit/receive operations using the selected
communication mode. The main functions are listed in Table 18-4.
Table 18-4. Main Functions of Flash Memory Programming
Function
Description
Reset
Used to detect write stop and transmission synchronization.
Batch verify
Compares entire memory contents and input data.
Batch erase
Erases the entire memory contents.
Batch blank check
Checks the deletion status of the entire memory.
High-speed write
Performs writing to flash memory according to write start address and number of write data
(bytes).
Continuous write
Performs continuous write operations using the data input with high-speed write operation.
Status
Checks the current operation mode and operation end.
Oscillation frequency setting
Inputs the resonator oscillation frequency information.
Erase time setting
Inputs the memory erase time.
Baud rate setting
Sets the communication rate when the UART mode is used.
Silicon signature read
Outputs the device name, memory capacity, and device block information.
10 V
V
PP
RESET
V
DD
V
SS
V
DD
V
SS
V
PP
pulses
Flash memory write mode