NEC PD78052 User Manual page 420

Figure 18-10. Buffer RAM Operation in 6-Byte Transmission/Reception
FADFH
FAC5H
FAC0H
FADFH
FAC5H
FAC0H
420
CHAPTER 18 SERIAL INTERFACE CHANNEL 1
(in Basic Transmit/Receive Mode) (2/2)
(b) 4th byte transmission/reception
Receive data 1 (R1)
Receive data 2 (R2)
Receive data 3 (R3)
Transmit data 4 (T4)
Transmit data 5 (T5)
Transmit data 6 (T6)
(c) Completion of transmission/reception
Receive data 1 (R1)
Receive data 2 (R2)
Receive data 3 (R3)
Receive data 4 (R4)
Receive data 5 (R5)
Receive data 6 (R6)
Receive data 4 (R4) SIO1
2 ADTP
–1
0 CSIIF1
SIO1
0 ADTP
1 CSIIF1