4 PERIPHERAL CIRCUITS
S1C33L03 PRODUCT PART EPSON A-33
A-1
A-4
NameAddressRegister name Bit Function Setting Init. R/W Remarks
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
R16TC4
R16TU4
R16TC3
R16TU3
R16TC2
R16TU2
R16TC1
R16TU1
D7
D6
D5
D4
D3
D2
D1
D0
16-bit timer 4 comparison A
16-bit timer 4 comparison B
16-bit timer 3 comparison A
16-bit timer 3 comparison B
16-bit timer 2 comparison A
16-bit timer 2 comparison B
16-bit timer 1 comparison A
16-bit timer 1 comparison B
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0040291
(B)
1 IDMA
request
0 Interrupt
request
16-bit timer 1–4
IDMA request
register
RSTX0
RSRX0
R8TU3
R8TU2
R8TU1
R8TU0
R16TC5
R16TU5
D7
D6
D5
D4
D3
D2
D1
D0
SIF Ch.0 transmit buffer empty
SIF Ch.0 receive buffer full
8-bit timer 3 underflow
8-bit timer 2 underflow
8-bit timer 1 underflow
8-bit timer 0 underflow
16-bit timer 5 comparison A
16-bit timer 5 comparison B
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0040292
(B)
1 IDMA
request
0 Interrupt
request
16-bit timer 5,
8-bit timer,
serial I/F Ch.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
DE16TC4
DE16TU4
DE16TC3
DE16TU3
DE16TC2
DE16TU2
DE16TC1
DE16TU1
D7
D6
D5
D4
D3
D2
D1
D0
16-bit timer 4 comparison A
16-bit timer 4 comparison B
16-bit timer 3 comparison A
16-bit timer 3 comparison B
16-bit timer 2 comparison A
16-bit timer 2 comparison B
16-bit timer 1 comparison A
16-bit timer 1 comparison B
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0040295
(B)
1 IDMA
enabled
0 IDMA
disabled
16-bit timer 1–4
IDMA enable
register
DESTX0
DESRX0
DE8TU3
DE8TU2
DE8TU1
DE8TU0
DE16TC5
DE16TU5
D7
D6
D5
D4
D3
D2
D1
D0
SIF Ch.0 transmit buffer empty
SIF Ch.0 receive buffer full
8-bit timer 3 underflow
8-bit timer 2 underflow
8-bit timer 1 underflow
8-bit timer 0 underflow
16-bit timer 5 comparison A
16-bit timer 5 comparison B
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0040296
(B)
1 IDMA
enabled
0 IDMA
disabled
16-bit timer 5,
8-bit timer,
serial I/F Ch.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