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4 PERIPHERAL CIRCUITS
S1C33210 PRODUCT PART EPSON A-57
NameAddressRegister name Bit Function Setting Init. R/W Remarks
–
MCRS1
MCRS0
D15–2
D1
D0
–
Master configuration selection
1
1
0
0
1
0
1
0
MCRS[1:0]
–
Communications mode
PHS
PDC
HDLC
UART
–
0
0
–
R/W
0 when being read.
Only valid when
MSEL pin input is at
High level
0200000
(HW)
Communications
macro select
register
–
PHSRST
PDCRST
HDLRST
D15–3
D2
D1
D0
–
Reset PHS communications block
Reset PDC communications block
Reset HDLC communications block
–
0
0
0
–
W
W
W
0 when being read.0200002
(HW)
Software reset
register
–
1 Reset 0 Ignored
1 Reset 0 Ignored
1 Reset 0 Ignored
–
CKD3
CKD2
CKD1
CKD0
D15-4
D3
D2
D1
D0
–
Specify clock frequency divider
for communications block
– –
1
1
1
1
–
R/W
R/W
R/W
R/W
0 when being read.
fout = PERICLK
output
frequency
0200004
(HW)
Communications
block clock
frequency
divider register
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
CKD[3:0]
Net frequency
fout/16
fout/15
fout/14
fout/13
fout/12
fout/11
fout/10
fout/9
fout/8
fout/7
fout/6
fout/5
fout/4
fout/3
fout/2
fout/2
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
–
MOPORT3
MOPORT2
CNT2
CNT1
D15–4
D3
D2
D1
D0
–
RTS output level
DTR output level
CNT2 output level
CNT1 output level
– –
1
1
1
1
–
R/W
R/W
R/W
R/W
0 when being read.
Only valid for PHS, PDC,
and HDLC operation
Always valid
020000A
(HW)
Communications
block output port
data register
1 DTR="L" 0 DTR="H"
1 RTS="L" 0 RTS="H"
1 CNT2="L" 0 CNT2="H"
1 CNT1="L" 0 CNT1="H"
–
GOUTE
–
MIPORT1
MIPORT0
D15–8
D7
D6–2
D1
D0
–
Enable GOUT output
–
DSR input level
RI input level
–
–
–
0
–
X
X
–
R/W
–
R
R
0 when being read.
0 when being read.
020000C
(HW)
Communications
block input port
data register
1 Enable 0 Disable
1 DSR="H" 0 DSR="L"
1 RI="H" 0 RI="L"
–
BMODE
BHALF
FMODE
D15–3
D2
D1
D0
–
Data conversion switch
Speed switch for data conversion
Frame frequency division switch
– –
0
0
0
–
R/W
R/W
R/W
0 when being read.0200010
(HW)
1 Convert 0
Pass through
1 32kbps 0 64kbps
1
Frequency divider
0
Pass through
Communications
block PHS mode
settings register
–
CP0EN4
CP0EN3
CP0EN2
CP0EN1
CP0EN0
D15–5
D4
D3
D2
D1
D0
–
Assign UINT4 to CP0
Assign UINT3 to CP0
Assign UINT2 to CP0
Assign UINT1 to CP0
Assign UINT0 to CP0
– –
0
0
0
0
0
–
R/W
R/W
R/W
R/W
R/W
0 when being read.
CP0= CP
0EN4*UINT4
+CP0EN3*UINT3
+CP0EN2*UINT2
+CP0EN1*UINT1
+CP0EN0*U
INT0
0200020
(HW)
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
Communications
block CP0
interrupt select
register
–
CP1EN4
CP1EN3
CP1EN2
CP1EN1
CP1EN0
D15–5
D4
D3
D2
D1
D0
–
Assign UINT4 to CP1
Assign UINT3 to CP1
Assign UINT2 to CP1
Assign UINT1 to CP1
Assign UINT0 to CP1
– –
0
0
0
0
0
–
R/W
R/W
R/W
R/W
R/W
0 when being read.
CP1= CP
1EN4*UINT4
+CP1EN3*UINT3
+CP1EN2*UINT2
+CP1EN1*UINT1
+CP1EN0*U
INT0
0200022
(HW)
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
Communications
block CP1
interrupt select
register
–
CP2EN4
CP2EN3
CP2EN2
CP2EN1
CP2EN0
D15–5
D4
D3
D2
D1
D0
–
Assign UINT4 to CP2
Assign UINT3 to CP2
Assign UINT2 to CP2
Assign UINT1 to CP2
Assign UINT0 to CP2
– –
0
0
0
0
0
–
R/W
R/W
R/W
R/W
R/W
0 when being read.
CP2= CP
2EN4*UINT4
+CP2EN3*UINT3
+CP2EN2*UINT2
+CP2EN1*UINT1
+CP2EN0*U
INT0
0200024
(HW)
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
Communications
block CP2
interrupt select
register
–
CP3EN4
CP3EN3
CP3EN2
CP3EN1
CP3EN0
D15–5
D4
D3
D2
D1
D0
–
Assign UINT4 to CP3
Assign UINT3 to CP3
Assign UINT2 to CP3
Assign UINT1 to CP3
Assign UINT0 to CP3
– –
0
0
0
0
0
–
R/W
R/W
R/W
R/W
R/W
0 when being read.
CP3= CP
3EN4*UINT4
+CP3EN3*UINT3
+CP3EN2*UINT2
+CP3EN1*UINT1
+CP3EN0*U
INT0
0200026
(HW)
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
Communications
block CP3
interrupt select
register