Fujitsu FR81S User Manual
CHAPTER 40: MULTI-FUNCTION SERIAL INTERFACE
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : MULTI-FUNCTION SERIAL INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
74
CS1L3 CS1L2 CS1L1 CS1L0
Serial chip select pin 1
Data length select bits
0
0
0
0
8-bit length
0
0
0
1
5-bit length
0
0
1
0
6-bit length
0
0
1
1
7-bit length
0
1
0
0
9-bit length
0
1
0
1
10-bit length
0
1
1
0
11-bit length
0
1
1
1
12-bit length
1
0
0
0
13-bit length
1
0
0
1
14-bit length
1
0
1
0
15-bit length
1
0
1
1
16-bit length
1
1
0
0
20-bit length
1
1
0
1
24-bit length
1
1
1
0
32-bit length
Notes:
⋅
Settings other than those listed above are prohibited.
⋅
These bits can be changed only when transmission and reception are disabled (SCR:TXE=RXE="0").
⋅
In the slave mode (SCR:MS="0"), setting these bits has no effect.
⋅
When data format of chip select is disabled (ESCR:CSFE="0"), setting these bits has no effect.
MB91520 Series
MN705-00010-1v0-E
1387