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IV ANALOG BLOCK: A/D CONVERTER
B-IV-2-10 EPSON S1C33L03 FUNCTION PART
NameAddressRegister name Bit Function Setting Init. R/W Remarks
–
0 to 7
0 to 7
–
–
PAD2
PAD1
PAD0
–
PSIO12
PSIO11
PSIO10
D7
D6
D5
D4
D3
D2
D1
D0
reserved
A/D converter interrupt level
reserved
Serial interface Ch.1
interrupt level
–
X
X
X
–
X
X
X
–
R/W
–
R/W
0 when being read.
0 when being read.
004026A
(B)
Serial I/F Ch.1,
A/D interrupt
priority register
–
EP7
EP6
EP5
EP4
ECTM
EADE
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
– –
0
0
0
0
0
0
–
R/W
R/W
R/W
R/W
R/W
R/W
0 when being read.0040277
(B)
1 Enabled 0 Disabled
Port input 4–7,
clock timer,
A/D interrupt
enable register
–
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
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
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
–
CFK54
CFK53
CFK52
CFK51
CFK50
D7–5
D4
D3
D2
D1
D0
reserved
K54 function selection
K53 function selection
K52 function selection
K51 function selection
K50 function selection
– –
0
0
0
0
0
–
R/W
R/W
R/W
R/W
R/W
0 when being read.00402C0
(B)
1
#DMAREQ3
0 K54
1
#DMAREQ2
0 K53
1 #ADTRG 0 K52
1
#DMAREQ1
0 K51
1
#DMAREQ0
0 K50
K5 function
select register
CFK67
CFK66
CFK65
CFK64
CFK63
CFK62
CFK61
CFK60
D7
D6
D5
D4
D3
D2
D1
D0
K67 function selection
K66 function selection
K65 function selection
K64 function selection
K63 function selection
K62 function selection
K61 function selection
K60 function selection
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
00402C3
(B)
1 AD7 0 K67
1 AD6 0 K66
1 AD5 0 K65
1 AD4 0 K64
1 AD3 0 K63
1 AD2 0 K62
1 AD1 0 K61
1 AD0 0 K60
K6 function
select register
CFK52: K52 pin function selection (D2) / K5 function select register (0x402C0)
CFK67–CFK60: K6[7:0] pin function selection (D[7:0]) / K6 function select register (0x402C3)
Selects the pins used by the A/D converter.
Write "1": A/D converter
Write "0": Input port
Read: Valid
When an external trigger is used, write "1" to CFK52 to set the K52 pin for external trigger input #ADTRG. Select
the pin used for analog input from among K60 (AD0) through K67 (AD7) by writing "1" to CFK60 through
CFK67.
If the function select bit for a pin is set to "0", the pin is set for an input port.
At cold start, CFK is set to "0" (input port). At hot start, CFK retains its state from prior to the initial reset.