Selecting Communication Mode - NEC mPD78F0730 Preliminary User's Manual

19.7.3 Selecting communication mode

In the
after the dedicated flash memory programming mode is entered. These FLMD0 pulses are generated by the flash
memory programmer.
The following table shows the relationship between the number of pulses and communication modes.
Communication
Mode
UART
(UART6)
3-wire serial I/O
(CSI10)
Note Selection items for Standard settings on GUI of the dedicated flash memory programmer.
Caution When UART6 is selected, the receive clock is calculated based on the reset command sent from the
Remark f
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µ
PD78F0730, a communication mode is selected by inputting pulses (up to 11 pulses) to the FLMD0 pin
Standard Setting
Port Speed
UART-Ext-Osc 115,200 bps
UART-Ext-FP4CK
CSI-Internal-OSC 2.4 kHz to
2.5 MHz
dedicated flash memory programmer after the FLMD0 pulse has been received.
: X1 clock
X
f : External main system clock
EXCLK
f : Internal high-speed oscillation clock
RH
CHAPTER 19 FLASH MEMORY
Table 19-5. Communication Modes
Note
Frequency Multiply Rate
16 MHz 1.0
16 MHz
Preliminary User's Manual U19014EJ1V0UD
Pins Used Peripheral
Clock FLMD0 Pulses
TxD6, RxD6 f
X
f
EXCLK
SO10, SI10, f
RH
SCK10
Number of
0
3
8
463