Table of Contents
Advertisement
Address
Special Function Register (SFR) Name
FF00H
Port 0
FF01H
Port 1
FF02H
Port 2
FF04H
Port 4
FF07H
Receive data PID
FF08H
Receive data address 0
FF09H
Receive data address 1
FF0AH
Receive data address 2
FF0BH
Receive data address 3
FF0CH
Receive data address 4
FF0DH
Receive data address 5
FF0EH
Receive data address 6
FF0FH
Receive data address 7
FF10H
Transmit/receive shift register 10
FF14H
Handshake packet transmit reservation
register
FF15H
Data packet transmit reservation register
FF20H
Port mode register 0
FF21H
Port mode register 1
FF22H
Port mode register 2
FF24H
Port mode register 4
FF30H
Port output mode register 0
FF31H
Port output mode register 1
FF42H
Timer clock select register 2
FF50H
8-bit compare register 00
FF51H
8-bit timer counter 00
FF53H
8-bit timer mode control register 00
FF54H
8-bit compare register 01
FF55H
8-bit timer counter 01
FF57H
8-bit timer mode control register 01
FF60H
Token PID compare register
FF61H
Token address compare register
Note 16-bit access is possible only in short direct addressing.
CHAPTER 3
CPU ARCHITECTURE
Table 3-2. Special Function Register List (1/3)
Symbol
P0
P1
P2
P4
USBRD
USBR0 USBR10
USBR1
USBR2 USBR32
USBR3
USBR4 USBR54
USBR5
USBR6 USBR76
USBR7
SIO10
HTX
RSV
CON
DTX
RSV
PM0
PM1
PM2
PM4
POM0
POM1
TCL2
CR00
TM00
TMC00
CR01
TM01
TMC01
TIDCMP
ADRCMP
User's Manual U12978EJ3V0UD
R/W
Manipulatable Bit Unit
1 Bit
8 Bits
R/W
R
—
—
—
—
—
—
—
—
—
R/W
—
USB
—
W
—
R
—
R/W
W
—
R
—
R/W
W
—
—
After Reset
16 Bits
—
00H
—
—
—
—
Note
Undefined
Note
Note
Note
—
Note
00H
—
FFH
—
—
—
—
00H
—
—
—
Undefined
—
00H
—
—
Undefined
—
00H
—
—
—
45
Advertisement
Table of Contents
