Fujitsu FR81S User Manual
CHAPTER 40: MULTI-FUNCTION SERIAL INTERFACE
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : MULTI-FUNCTION SERIAL INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
16
Registers Map
Table 4-2 Registers Map
Address
Registers
Registers function
+0
+1
+2
+3
Base+
00h
[UART]
SCRn
[CSIO]
SCRn
[LIN-UART]
SCRn
[I
2
C]
IBCRn
[Common]
SMRn
[UART]
SSRn
[CSIO]
SSRn
[LIN-UART]
SSRn
[I
2
C]
SSRn
[UART]
ESCRn
[CSIO]
ESCRn
[LIN-UART]
ESCRn
[I
2
C]
IBSRn
[UART] Serial control register
[CSIO] Serial control register
[LIN-UART] Serial control register
[I
2
C] I
2
C Bus control register
[Common] Serial mode register
[UART] Serial status register
[CSIO] Serial status register
[LIN-UART] Serial status register
[I
2
C] Serial status register
[UART] Extended communication control register
[CSIO] Extended communication control register
[LIN-UART] Extended communication control register
[I
2
C] I
2
C Bus status register
Base+
04h
[UART]
Reserved
[CSIO]
RDR1n/TDR1n
[LIN-UART]
Reserved
[I
2
C]
Reserved
[UART]
RDR0n/TDR0n
[CSIO]
RDR0n/TDR0n
[LIN-UART]
RDR0n/TDR0n
[I
2
C]
RDR0n/TDR0n
[CSIO] Transmission/receive data register
[UART] Transmission/receive data register
[CSIO] Transmission/receive data register
[LIN-UART] Transmission/receive data register
[I
2
C] Transmission/receive data register
Base+
08h
[UART]
SACSRn
[CSIO]
SACSRn
[LIN-UART]
SACSRn
[I
2
C]
SACSRn
[UART]
STMRn
[CSIO]
STMRn
[LIN-UART]
STMRn
[I
2
C]
STMRn
[UART] Serial aid control status register
[CSIO] Serial aid control status register
[LIN-UART] Serial aid control status register
[I
2
C] Serial aid control status register
[UART] Serial timer register
[CSIO] Serial timer register
[LIN-UART] Serial timer register
[I
2
C] Serial timer register
Base+
0Ch
[UART]
STMCRn
[CSIO]
STMCRn
[LIN-UART]
STMCRn
[I
2
C]
STMCRn
[UART]
Reserved
[CSIO]
SCSCRn
[LIN-UART]
SFURn
[I
2
C]
Reserved
[UART] Serial timer compare register
[CSIO] Serial timer compare register
[LIN-UART] Serial timer compare register
[I
2
C] Serial timer compare register
[CSIO] Serial chip select control register
[LIN-UART] Sync field upper limit register
Base+
10h
[UART]
Reserved
[CSIO]
SCSTR3n
[LIN-UART]
LAMSRn
[I
2
C]
Reserved
[UART]
Reserved
[CSIO]
SCSTR2n
[LIN-UART]
LAMCRn
[I
2
C]
Reserved
[UART]
Reserved
[CSIO]
SCSTR1n
[LIN-UART]
SFLR1n
[I
2
C]
Reserved
[UART]
Reserved
[CSIO]
SCSTR0n
[LIN-UART]
SFLR0n
[I
2
C]
Reserved
[CSIO] Serial chip select timing register
[LIN-UART] LIN assist mode status register
[LIN-UART] LIN assist mode control register
[LIN-UART] Sync field lower limit register
Base+
14h
Reserved
[UART]
Reserved
[CSIO]
SCSFR2n
[LIN-UART]
Reserved
[I
2
C]
Reserved
[UART]
Reserved
[CSIO]
SCSFR1n
[LIN-UART]
Reserved
[I
2
C]
Reserved
[UART]
Reserved
[CSIO]
SCSFR0n
[LIN-UART]
Reserved
[I
2
C]
Reserved
[CSIO] Serial chip select format register
MB91520 Series
MN705-00010-1v0-E
1329