Registers Of The I/O Extended Serial Interface - Fujitsu F2MC-16LX Hardware Manual

CHAPTER 18 I/O EXTENDED SERIAL INTERFACE

18.2 Registers of the I/O Extended Serial Interface

The I/O extended serial interface has the following three registers:
• High-order byte of the serial mode control status register
• Low-order byte of the serial mode control status register
• Serial data register
■ Registers of the I/O Extended Serial Interface
Higher byte of the serial
mode control status register
Address:
ch.0 000025
H
ch.1 000029
H
Read/write
Initial value
Lower byte of the serial
mode control status register
Address: ch.0 000024
H
ch.1 000028
H
Read/write
Initial value
Serial data register
ch.0 000026
Address:
H
ch.1 00002A
H
Read/write
Initial value
286
Figure 18.2-1 Registers of I/O Extended Serial Interface
15 14
bit
SMD2 SMD1 SMD0 SIE
(R/W) (R/W) (R/W) (R/W) (R/W)
(0) (0) (0)
bit 7
(-) (-)
(-) (-)
bit 7
D7 D6
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
(X) (X)
13 12 11
SIR BUSY STOP STRT
(R)
(0) (0) (0)
6 5 4 3
MODE BDS
(-) (-) (R/W) (R/W) (R/W) (R/W)
(-) (-) (0) (0)
6 5 4 3
D5 D4 D3 D2
(X) (X) (X) (X)
10 9 8
SMCS
(R/W) (R/W)
(1) (0)
2 1 0
SOE SCOE SMCS
(0) (0)
2 1 0
D1 D0 SDR
(X) (X)