Cirrus Logic EP73xx User Manual
Page 19

EP7309/11/12 User’s Manual - DS508UM4
1-5
Copyright Cirrus Logic, Inc. 2003
Introduction
11
1
0x8000.0540
PALLSW
0
RW
32
Least significant 32-bit word of LCD palette register
0x8000.0580
PALMSW
0
RW
32
Most significant 32-bit word of LCD palette register
0x8000.05C0
STFCLR
—
WR
—
Write to clear all start up reason flags
0x8000.0600
BLEOI
—
WR
—
Write to clear battery low interrupt
0x8000.0640
MCEOI
—
WR
—
Write to clear media changed interrupt
0x8000.0680
TEOI
—
WR
—
Write to clear tick and watchdog interrupt
0x8000.06C0
TC1EOI
—
WR
—
Write to clear TC1 interrupt
0x8000.0700
TC2EOI
—
WR
—
Write to clear TC2 interrupt
0x8000.0740
RTCEOI
—
WR
—
Write to clear RTC match interrupt
0x8000.0780
UMSEOI
—
WR
—
Write to clear UART modem status changed interrupt
0x8000.07C0
COEOI
—
WR
—
Write to clear CODEC sound interrupt
0x8000.0800
HALT
—
WR
—
Write to enter the Idle State
0x8000.0840
STDBY
—
WR
—
Write to enter the Standby State
0x8000.0880–
0x8000.0FFF
Reserved
Write will have no effect, read is undefined
0x8000.1000
FBADDR
0xC
RW
4
LCD frame buffer start address
0x8000.1100
SYSCON2
0
RW
16
System control register 2
0x8000.1140
SYSFLG2
0
RD
24
System status register 2
0x8000.1240
INTSR2
0
RD
16
Interrupt status register 2
0x8000.1280
INTMR2
0
RW
16
Interrupt mask register 2
0x8000.12C0–
0x8000.147F
Reserved
Write will have no effect, read is undefined
0x8000.1480
UARTDR2
0
RW
16
UART2 Data Register
0x8000.14C0
UBRLCR2
0
RW
32
UART2 bit rate and line control register
0x8000.1500
SS2DR
0
RW
16
Master / slave SSI2 data Register
0x8000.1600
SRXEOF
—
WR
—
Write to clear RX FIFO overflow flag
0x8000.16C0
SS2POP
—
WR
—
Write to pop SSI2 residual byte into RX FIFO
0x8000.1700
KBDEOI
—
WR
—
Write to clear keyboard interrupt
0x8000.1800
Reserved
—
WR
—
Do not write to this location. A write will cause the
processor to go into an unsupported power savings
state.
0x8000.1840–
0x8000.1FFF
Reserved
—
Write will have no effect, read is undefined
0x8000.2000
DAIR
0
RW
32
DAI control register
0x8000.2040
DAIR0
0
RW
32
DAI data register 0
0x8000.2080
DAIDR1
0
RW
32
DAI data register 1
0x8000.20C0
DAIDR2
0
WR
21
DAI data register 2
0x8000.2100
DAISR
0
RW
32
DAI status register
0x8000.2200
SYSCON3
0
RW
16
System control register 3
0x8000.2240
INTSR3
0
RD
32
Interrupt status register 3
0x8000.2280
INTMR3
0
RW
8
Interrupt mask register 3
Table 1-2: EP73xx Internal Registers (Little Endian Mode) (Continued)
Address
Name
Default RD/WR
Size
Comments
Page