
Rev.1.00 Jul 30, 2003 page 13 of 119
7643 Group
Fig. 10 Memory map of special function register (SFR)
CPU mode register A (CPUA)
CPU mode register B (CPUB)
Interrupt request register A (IREQA)
Interrupt request register B (IREQB)
Interrupt request register C (IREQC)
Interrupt control register A (ICONA)
Interrupt control register B (ICONB)
Interrupt control register C (ICONC)
Port P0 (P0)
Port P0 direction register (P0D)
Port P1 (P1)
Port P1 direction register (P1D)
Port P2 (P2)
Port P2 direction register (P2D)
Port P3 (P3)
Port P3 direction register (P3D)
Port control register (PTC)
Interrupt polarity select register (IPOL)
Port P2 pull-up control register (PUP2)
USB control register (USBC)
Port P6 (P6)
Port P6 direction register (P6D)
Port P5 (P5)
Port P5 direction register (P5D)
Port P4 (P4)
Port P4 direction register (P4D)
Port P7 (P7)
Port P7 direction register (P7D)
Port P8 (P8)
Port P8 direction register (P8D)
Reserved (
Note 1
)
Clock control register (CCR)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Timer 1 (T1)
Timer 2 (T2)
Timer 3 (T3)
Reserved (
Note 1
)
Reserved (
Note 1
)
Timer 123 mode register (T123M)
Serial I/O shift register (SIOSHT)
Serial I/O control register 1 (SIOCON1)
Serial I/O control register 2 (SIOCON2)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
UART mode register (UMOD)
UART baud rate generator (UBRG)
UART status register (USTS)
UART control register (UCON)
UART transmit/receive buffer register 1 (UTRB1)
UART transmit/receive buffer register 2 (UTRB2)
UART RTS control register (URTSC)
Reserved (
Note 1
)
0000
16
0001
16
0002
16
0003
16
0004
16
0005
16
0006
16
0007
16
0008
16
0009
16
000A
16
000B
16
000C
16
000D
16
000E
16
000F
16
0010
16
0011
16
0012
16
0013
16
0014
16
0015
16
0016
16
0017
16
0018
16
0019
16
001A
16
001B
16
001C
16
001D
16
001E
16
001F
16
0020
16
0021
16
0022
16
0023
16
0024
16
0025
16
0026
16
0027
16
0028
16
0029
16
002A
16
002B
16
002C
16
002D
16
002E
16
002F
16
0030
16
0031
16
0032
16
0033
16
0034
16
0035
16
0036
16
0037
16
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
DMAC index and status register (DMAIS)
DMAC channel x mode register 1 (DMAx1)
DMAC channel x mode register 2 (DMAx2)
DMAC channel x source register Low (DMAxSL)
DMAC channel x source register High (DMAxSH)
DMAC channel x destination register Low
(DMAxDL)
DMAC channel x destination register High
(DMAxDH)
DMAC channel x transfer count register Low (DMAxCL)
DMAC channel x transfer count register High (DMAxCH)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
USB address register (USBA)
USB power management register (USBPM)
USB interrupt status register 1 (USBIS1)
USB interrupt status register 2 (USBIS2)
USB interrupt enable register 1 (USBIE1)
USB interrupt enable register 2 (USBIE2)
Reserved (
Note 1
)
Reserved (
Note 1
)
USB endpoint index register (USBINDEX)
USB endpoint x IN control register (IN_CSR)
USB endpoint x OUT control register (OUT_CSR)
USB endpoint x IN max. packet size register (IN_MAXP)
USB endpoint x OUT max. packet size register
(OUT_MAXP)
USB endpoint x OUT write count register (WRT_CNT)
Reserved (
Note 1
)
USB endpoint FIFO mode register (USBFIFOMR)
USB endpoint 0 FIFO (USBFIFO0)
USB endpoint 1 FIFO (USBFIFO1)
USB endpoint 2 FIFO (USBFIFO2)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Reserved (
Note 1
)
Flash memory control register (FMCR) (
Note 2
)
Reserved (
Note 1
)
Frequency synthesizer control register (FSC)
Frequency synthesizer multiply register 1 (FSM1)
Frequency synthesizer multiply register 2 (FSM2)
Frequency synthesizer divide register (FSD)
0038
16
0039
16
003A
16
003B
16
003C
16
003D
16
003E
16
003F
16
0040
16
0041
16
0042
16
0043
16
0044
16
0045
16
0046
16
0047
16
0048
16
0049
16
004A
16
004B
16
004C
16
004D
16
004E
16
004F
16
0050
16
0051
16
0052
16
0053
16
0054
16
0055
16
0056
16
0057
16
0058
16
0059
16
005A
16
005B
16
005C
16
005D
16
005E
16
005F
16
0060
16
0061
16
0062
16
0063
16
0064
16
0065
16
0066
16
0067
16
0068
16
0069
16
006A
16
006B
16
006C
16
006D
16
006E
16
006F
16
FFC9
16
ROM code protect control register (ROMCP) (
Note 3
)
Notes 1
: Do not write any data to this addresses, because these areas are reserved.
2
: This area is reserved in the mask ROM version.
3
: This area is on the ROM in the mask ROM version.