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Epson S1C33L03 User Manual

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4  PERIPHERAL CIRCUITS
S1C33L03 PRODUCT PART
EPSON
A-17
A-1
A-4
4.2
 
I/O Memory Map
Table 4.2.1  I/O Memory Map
Name
Address
Register name
Bit
Function
Setting
Init.
R/W
Remarks
–
P8TPCK5
P8TPCK4
D7–2
D1
D0
reserved
8-bit timer 5 clock selection
8-bit timer 4 clock selection
–
0
0
–
R/W
R/W
0 when being read.
θ
: selected by 
Prescaler clock select 
register (0x40181)
0040140
(B)
1
θ
/1
0 Divided clk.
1
θ
/1
0 Divided clk.
8-bit timer 4/5 
clock select 
register
–
1 On
0 Off
P8TON5
P8TS52
P8TS51
P8TS50
P8TON4
P8TS42
P8TS41
P8TS40
D7
D6
D5
D4
D3
D2
D1
D0
8-bit timer 5 clock control
8-bit timer 5 
clock division ratio selection
8-bit timer 4 clock control
8-bit timer 4 
clock division ratio 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
θ
: selected by 
Prescaler clock select 
register (0x40181)
8-bit timer 5 can 
generate the clock for 
the serial I/F Ch.3.
θ
: selected by 
Prescaler clock select 
register (0x40181)
8-bit timer 4 can 
generate the clock for 
the serial I/F Ch.2.
0040145
(B)
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
θ
/256
θ
/128
θ
/64
θ
/32
θ
/16
θ
/8
θ
/4
θ
/2
1 On
0 Off
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
θ
/4096
θ
/2048
θ
/64
θ
/32
θ
/16
θ
/8
θ
/4
θ
/2
8-bit timer 4/5 
clock control 
register
–
–
P8TPCK3
P8TPCK2
P8TPCK1
P8TPCK0
D7–4
D3
D2
D1
D0
reserved
8-bit timer 3 clock selection
8-bit timer 2 clock selection
8-bit timer 1 clock selection
8-bit timer 0 clock selection
–
0
0
0
0
–
R/W
R/W
R/W
R/W
0 when being read.
θ
: selected by 
Prescaler clock select 
register (0x40181)
0040146
(B)
1
θ
/1
0 Divided clk.
1
θ
/1
0 Divided clk.
1
θ
/1
0 Divided clk.
1
θ
/1
0 Divided clk.
8-bit timer 
clock select 
register
–
–
P16TON0
P16TS02
P16TS01
P16TS00
D7–4
D3
D2
D1
D0
reserved
16-bit timer 0 clock control
16-bit timer 0
clock division ratio selection
–
0
0
0
0
–
R/W
R/W
0 when being read.
θ
: selected by 
Prescaler clock select 
register (0x40181)
16-bit timer 0 can be 
used as a watchdog 
timer.
0040147
(B)
1 On
0 Off
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
P16TS0[2:0]
Division ratio
θ
/4096
θ
/1024
θ
/256
θ
/64
θ
/16
θ
/4
θ
/2
θ
/1
16-bit timer 0 
clock control 
register
–
–
P16TON1
P16TS12
P16TS11
P16TS10
D7–4
D3
D2
D1
D0
reserved
16-bit timer 1 clock control
16-bit timer 1
clock division ratio selection
–
0
0
0
0
–
R/W
R/W
0 when being read.
θ
: selected by 
Prescaler clock select 
register (0x40181)
0040148
(B)
1 On
0 Off
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
P16TS1[2:0]
Division ratio
θ
/4096
θ
/1024
θ
/256
θ
/64
θ
/16
θ
/4
θ
/2
θ
/1
16-bit timer 1 
clock control 
register
–
–
P16TON2
P16TS22
P16TS21
P16TS20
D7–4
D3
D2
D1
D0
reserved
16-bit timer 2 clock control
16-bit timer 2
clock division ratio selection
–
0
0
0
0
–
R/W
R/W
0 when being read.
θ
: selected by 
Prescaler clock select 
register (0x40181)
0040149
(B)
1 On
0 Off
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
P16TS2[2:0]
Division ratio
θ
/4096
θ
/1024
θ
/256
θ
/64
θ
/16
θ
/4
θ
/2
θ
/1
16-bit timer 2 
clock control 
register
(B) in [Address] indicates an 8-bit register and (HW) indicates a 16-bit register.
The meaning of the symbols described in [Init.] are listed below:
0, 1:
Initial values that are set at initial reset.
(However, the registers for the bus and input/output ports are not initialized at hot start.)
X:
Not initialized at initial reset.
–:
Not set in the circuit.