NEC 78K0 User Manual page 387

(5) UART6
Transfer rate: 4800 to 76800 bps
Figure 23-12. Communication with Dedicated Flash Programmer (UART6)
Axxxx
Bxxxxx
Cxxxxxx
PG-FP4
Dedicated flash
programmer
If Flashpro III/Flashpro IV is used as the dedicated flash programmer, Flashpro III/Flashpro IV generates the
µ
following signal for the PD78F0114. For details, refer to the Flashpro III/Flashpro IV Manual.
Signal Name I/O
V Output
PP
V I/O
DD
−
GND
CLK Output
/RESET Output
SI/RxD Input
SO/TxD Output
SCK Output
H/S Input
Notes 1. Flashpro III only
2. For off-board writing only: connect the clock output of the flash programmer to X1 and its inverse signal to
X2.
Remark : Be sure to connect the pin.
: The pin does not have to be connected if the signal is generated on the target board.
×: The pin does not have to be connected.
: In handshake mode
CHAPTER 23
V
PP
V
DD
GND
/RESET
STATVE
SI/RxD
SO/TxD
CLK
Table 23-4. Pin Connection
Flashpro III/Flashpro IV
Pin Function
Write voltage
V voltage generation/voltage monitor
DD
Ground
µ
Clock output to PD78F0114
Reset signal
Receive signal
Transmit signal
Transfer clock
Handshake signal
User's Manual U16227EJ2V0UD
µ
PD78F0114
V
PP
V
DD
V
SS
RESET
TxD6
µ
RxD6 PD78F0114
X1
X2
µ
PD78F0114
Pin Name
V
PP
Note 1
V , EV
DD
V , EV
SS
Note 2
X1, X2
RESET
SO10/TxD0/TxD6
SI10/RxD0/RxD6
SCK10
HS
Connection
CSI00 UART0 UART6
, AV
DD REF
, AV
SS SS
×
387
×
×