Fujitsu FR60 Hardware Manual page 257

Table 5.2-1 Initial Values and Functions of the Port Function Registers (PFRs) (2 / 7)
Register name
PFR9(ASXE)
[P94/AS]
PFRA(CS0XE to CS3XE)
[PA0/CS0 to PA3/CS3]
PFRB1(AK02,AK01,AK00)
[PB1/DACK0]*
PFRB1(DES0),DDRB(PB2)
[PB2/DSTP0/DEOP0]*
Bit name
ASXE
CS0XE
CS1XE
CS2XE
CS3XE
AK02,AK01,AK00* 0,0,0
0,0,1
0,1,0
0,1,1
1,0,0
1,0,1
1,1,0
1,1,1
DES0,PB2
*
Bit
0 General-purpose port (initial value)
1 Set when using address strobe output.
0 General-purpose port
1 CS0 output (initial value)
0 General-purpose port
1 CS1 output (initial value)
0 General-purpose port
1 CS2 output (initial value)
0 General-purpose port
1 CS3 output (initial value)
General-purpose port (initial value)
DACK0, DEOP0 output (FR30 compatible for fly-by
transfer)
DACK0, DEOP0 output (FR30 compatible for 2-
cycle transfer RD timing)
DACK0, DEOP0 output (FR30 compatible for 2-
cycle transfer WRn timing)
DACK0, DEOP0 output (FR30 compatible for 2-
cycle transfer WE timing)
DACK0, DEOP0 output (FR30 compatible for 2-
cycle transfer WRn, RD timing)
DACK0, DEOP0 output (FR30 compatible for 2-
cycle transfer WE, RD timing)
DACK0, DEOP0 output (chip select timing)
0,0 General-purpose port input (initial value)
0,1 General-purpose port output
1,0 DMAC: DSTP0 input
1,1 DMAC: DEOP0 output
Function
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