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ML66525 Family User’s Manual
Chapter 22
Special Function Registers (SFRs)
22 - 5
Bit
Sy
mbol
A
ddress
[H]
Functi
on
By
te
Wor
d
7
6
5
4
3
2
1
0
R/
W
8
/1
6
In
itial
v
a
lue
[H]
Reference
page
005A
Ex
ternal
interrupt
control
register
2
EX
I2CON
(*4)
MIPF
NMIRD
NMIM1
NMIM0
(1)
EX
8M1
EX
8M0
8
0C/4C
14-4
005B
Ex
ternal
interrupt
control
register
EX
8ICON
—
0
EX
I9S
EX
I8S
8
00
14-5
005C
Interrupt
request
register
4
IRQ4
—
(1)
QTM90V
0
QPW
M
1
QPW
M
0
8
E0
15-16
005D
Interrupt
enable
register
4
IE4
—
(1)
ETM9O
V
0
EPW
M1
EPW
M0
8
E0
15-21
005E
Interrupt
priority
control
register
8
IP8
—
0
P1PW
M1
P0PW
M1
P1PW
M0
P0PW
M0
8
00
15-29
005F
Interrupt
priority
control
register
9
IP9
—
(1)
P1TM9OV
P0TM9OV
8
FC
15-30
0060
TBC
clock
div
ider
register
TBCKDVR
(1)
R/
W
8/16
F0
7-3
0061
TBC
clock
div
iding
counter
—
TBCKDV
(1)
R
16
F0
7-2
0062
—
Undefined
0063
General-p
urpos
e
1
6
-bit
timer
0
counter
—
TM0C
16
Undefined
8-4
0064
—
Undefined
0065
General-p
urpos
e
1
6
-bit
timer
0
register
—
TM0R
16
Undefined
8-4
0066
General-purpose
16-bit
timer
0
control
register
TM0CON
—
TM0OUT
(1)
T
M
0RUN
TM0C2
TM0C1
TM0C0
8
70
8-4
0070
General-purpose
8-bit
timer
3
counter
TM3C
—
8
Undefined
8-10
0071
General-purpose
8-bit
timer
3
register
TM3R
—
8
Undefined
8-10
0072
General-purpose
8-bit
timer
3
control
register
TM3CON
—
TM3OUT
(1)
T
M
3RUN
TM3C2
TM3C1
TM3C0
8
70
8-10
0074
General-purpose
8-bit
timer
4
counter
TM4C
—
8
Undefined
8-16
0075
General-purpose
8-bit
timer
4
register
TM4R
—
8
Undefined
8-16
0076
General-purpose
8-bit
timer
4
control
register
TM4CON
—
TM4OUT
(1)
T
M
4RUN
TM4C2
TM4C1
TM4C0
8
70
8-16
0078
General-purpose
8-bit
timer
5
counter
TM5C
—
8
Undefined
8-22
0079
General-purpose
8-bit
timer
5
register
TM5R
—
8
Undefined
8-22
007A
General-purpose
8-bit
timer
5
control
register
TM5CON
—
TM5OUT
(1)
T
M
5RUN
TM5C2
TM5C1
TM5C0
8
70
8-22
007C
General-purpose
8-bit
timer
6
counter
TM6C
—
8
Undefined
8-28
007D
General-purpose
8-bit
timer
6
register
TM6R
—
8/16
Undefined
8-28
007E
General-purpose
8-bit
timer
6
control
register
TM6CON
(*5)
MODWDT
WDTLDE
WDT
RUN
(1)
A
T
MRUN
W
D
TC2
W
D
TC1
W
DTC0
8
10
8-29
ST1STB
0084
SIO1
transmit
control
register
ST
1CON
—
TR1NIE
TR
1MIE
ST1ODD
ST1PEN
ST1SLV
(1)
ST1LN
ST1MOD
8
04
11-16
0085
SIO1
receiv
e
control
register
SR1CON
—
SR1REN
RC1IE
SR1ODD
SR
1PEN
SR1SLV
S1EX
C
SR1LN
SR1MOD
8
00
11-18
0086
SIO1
transmit-receive
buffer
register
S1BUF
—
8
Undefined
11-22
0087
SIO1
status
register
S1STAT
—
(0)
RC1END
T
R
1E
ND
TR1EMP
PERR1
OERR1
FERR1
8
00
11-20
008A
SIO3
control
register
SIO3CON
—
(1)
SFT3CT2
SFT3C
T
1
SFT3CT0
S3BUSY
SFT3SLV
SFT3C
K
1
S
FT3C
K
0
8
80
11-41
008B
SIO3
register
SIO3R
—
8
Undefined
11-43
008C
SIO4
control
register
SIO4
CON
—
(1)
BUSY
4
ICK4
TEN4
SIO4
SL
SIO4C2
SIO4C1
SIO4C0
8
80
11-48
008D
FIFO
control
register
FIFOCON
(*6)
(1)
SRES4
ORE4
FUL4
EMP4
R/
W
8
F1
11-50
Table 22-1
SFR List (3/5)