Serial Shift Data Register (Sdr) - Fujitsu F2MC-16LX Hardware Manual

18.2.2 Serial Shift Data Register (SDR)

The SDR register is a register that holds the transfer data of the serial I/O.
During a transfer, writing and reading the SDR register is prohibited.
■ Serial Shift Data Register (SDR)
Serial data register
Address: ch.0 000026
ch.1 00002A
Read/write
Initial value
Figure 18.2-3 Serial Shift Data Register (SDR)
bit
7 6
H
D7 D6
H
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
(X) (X)
18.2 Registers of the I/O Extended Serial Interface
5 4 3 2
D5 D4 D3 D2
(X) (X) (X) (X)
1 0
D1 D0 SDR
(X) (X)
291