CHAPTER 25
µµµµ
PD78F0124
Preliminary User’s Manual U16315EJ1V0UD
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Figure 25-2. Communication Mode Selection Format
10 V
V
PP
RESET
V
DD
V
SS
V
DD
V
SS
V
PP
pulses
Flash memory write mode
25.2.2 Flash memory programming function
Flash memory writing is performed via command and data transmit/receive operations using the selected
communication mode. The main functions are listed in Table 25-4.
Table 25-4. 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 erase 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 successive 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.