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III PERIPHERAL BLOCK: INPUT/OUTPUT PORTS
S1C33L03 FUNCTION PART EPSON B-III-9-19
A-1
B-III
I/O
NameAddressRegister name Bit Function Setting Init. R/W Remarks
–
FP7
FP6
FP5
FP4
FCTM
FADE
D7–6
D5
D4
D3
D2
D1
D0
reserved
Port input 7
Port input 6
Port input 5
Port input 4
Clock timer
A/D converter
– –
X
X
X
X
X
X
–
R/W
R/W
R/W
R/W
R/W
R/W
0 when being read.0040287
(B)
1 Factor is
generated
0 No factor is
generated
Port input 4–7,
clock timer, A/D
interrupt factor
flag register
R16TC0
R16TU0
RHDM1
RHDM0
RP3
RP2
RP1
RP0
D7
D6
D5
D4
D3
D2
D1
D0
16-bit timer 0 comparison A
16-bit timer 0 comparison B
High-speed DMA Ch.1
High-speed DMA Ch.0
Port input 3
Port input 2
Port input 1
Port input 0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0040290
(B)
1 IDMA
request
0 Interrupt
request
Port input 0–3,
high-speed
DMA Ch. 0/1,
16-bit timer 0
IDMA request
register
RP7
RP6
RP5
RP4
–
RADE
RSTX1
RSRX1
D7
D6
D5
D4
D3
D2
D1
D0
Port input 7
Port input 6
Port input 5
Port input 4
reserved
A/D converter
SIF Ch.1 transmit buffer empty
SIF Ch.1 receive buffer full
0
0
0
0
–
0
0
0
R/W
R/W
R/W
R/W
–
R/W
R/W
R/W
0 when being read.
0040293
(B)
1 IDMA
request
0 Interrupt
request
1 IDMA
request
0 Interrupt
request
–
Serial I/F Ch.1,
A/D,
port input 4–7
IDMA request
register
DE16TC0
DE16TU0
DEHDM1
DEHDM0
DEP3
DEP2
DEP1
DEP0
D7
D6
D5
D4
D3
D2
D1
D0
16-bit timer 0 comparison A
16-bit timer 0 comparison B
High-speed DMA Ch.1
High-speed DMA Ch.0
Port input 3
Port input 2
Port input 1
Port input 0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0040294
(B)
1 IDMA
enabled
0 IDMA
disabled
Port input 0–3,
high-speed
DMA Ch. 0/1,
16-bit timer 0
IDMA enable
register
DEP7
DEP6
DEP5
DEP4
–
DEADE
DESTX1
DESRX1
D7
D6
D5
D4
D3
D2
D1
D0
Port input 7
Port input 6
Port input 5
Port input 4
reserved
A/D converter
SIF Ch.1 transmit buffer empty
SIF Ch.1 receive buffer full
0
0
0
0
–
0
0
0
R/W
R/W
R/W
R/W
–
R/W
R/W
R/W
0 when being read.
0040297
(B)
1 IDMA
enabled
0 IDMA
disabled
1 IDMA
enabled
0 IDMA
disabled
–
Serial I/F Ch.1,
A/D,
port input 4–7
IDMA enable
register
SPT31
SPT30
SPT21
SPT20
SPT11
SPT10
SPT01
SPT00
D7
D6
D5
D4
D3
D2
D1
D0
FPT3 interrupt input port selection
FPT2 interrupt input port selection
FPT1 interrupt input port selection
FPT0 interrupt input port selection
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
00402C6
(B)
Port input
interrupt select
register 1
11 10 01 00
P23 P03 K53 K63
11 10 01 00
P22 P02 K52 K62
11 10 01 00
P21 P01 K51 K61
11 10 01 00
P20 P00 K50 K60
11 10 01 00
P27 P07 P33 K67
11 10 01 00
P26 P06 P32 K66
11 10 01 00
P25 P05 P31 K65
11 10 01 00
P24 P04 K54 K64
SPT71
SPT70
SPT61
SPT60
SPT51
SPT50
SPT41
SPT40
D7
D6
D5
D4
D3
D2
D1
D0
FPT7 interrupt input port selection
FPT6 interrupt input port selection
FPT5 interrupt input port selection
FPT4 interrupt input port selection
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
00402C7
(B)
Port input
interrupt select
register 2
1 High level
or
Rising edge
0 Low level
or
Falling
edge
SPPT7
SPPT6
SPPT5
SPPT4
SPPT3
SPPT2
SPPT1
SPPT0
D7
D6
D5
D4
D3
D2
D1
D0
FPT7 input polarity selection
FPT6 input polarity selection
FPT5 input polarity selection
FPT4 input polarity selection
FPT3 input polarity selection
FPT2 input polarity selection
FPT1 input polarity selection
FPT0 input polarity selection
1
1
1
1
1
1
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
00402C8
(B)
Port input
interrupt
input polarity
select register
1 Edge 0 LevelSEPT7
SEPT6
SEPT5
SEPT4
SEPT3
SEPT2
SEPT1
SEPT0
D7
D6
D5
D4
D3
D2
D1
D0
FPT7 edge/level selection
FPT6 edge/level selection
FPT5 edge/level selection
FPT4 edge/level selection
FPT3 edge/level selection
FPT2 edge/level selection
FPT1 edge/level selection
FPT0 edge/level selection
1
1
1
1
1
1
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
00402C9
(B)
Port input
interrupt
edge/level
select register