Electronics America Single-Chip Microcontrollers User's Manual

CHAPTER 19 FLASH MEMORY VERSION

User’s Manual U15331EJ4V1UD 323

If Flashpro III/Flashpro IV is used as a dedicated flash programmer, the following signals are generated for the

PD78F9488 and 78F9489. For details, refer to the manual of Flashpro III/Flashpro IV.

Table 19-3. Pin Connection List

Signal Name I/O Pin Function Pin Name 3-Wire Serial I/O 3-Wire Serial I/O

with Handshake

UART

VPP1 Output Write voltage VPP

VPP2

− − −

× × ×

VDD I/O VDD voltage generation/

voltage monitoring

VDD

Note Note Note

GND

−

Ground VSS

CLK Output Clock output X1

RESET Output Reset signal RESET

SI Input Receive signal SO20/TxD20

SO Output Transmit signal SI20/RxD20

SCK Output Transfer clock SCK20

HS Input Handshake signal P11 (HS)

Note V

DD voltage must be supplied before programming is started.

Remark : Pin must be connected.

: If the signal is supplied on the target board, pin does not need to be connected.

× : Pin does not need to be connected.