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4.2 I/O Memory Map
Register name
Address
Bit
8-bit timer 4/5
0040140
D7–2
clock select
(B)
D1
register
D0
8-bit timer 4/5
0040145
D7
clock control
(B)
D6
register
D5
D4
D3
D2
D1
D0
8-bit timer
0040146
D7–4
clock select
(B)
D3
register
D2
D1
D0
16-bit timer 0
0040147
D7–4
clock control
(B)
D3
register
D2
D1
D0
16-bit timer 1
0040148
D7–4
clock control
(B)
D3
register
D2
D1
D0
16-bit timer 2
0040149
D7–4
clock control
(B)
D3
register
D2
D1
D0
(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.
S1C33210 PRODUCT PART
Table 4.2.1 I/O Memory Map
Name
Function
–
reserved
P8TPCK5
8-bit timer 5 clock selection
P8TPCK4
8-bit timer 4 clock selection
P8TON5
8-bit timer 5 clock control
P8TS52
8-bit timer 5
P8TS51
clock division ratio selection
P8TS50
P8TON4
8-bit timer 4 clock control
P8TS42
8-bit timer 4
P8TS41
clock division ratio selection
P8TS40
–
reserved
P8TPCK3
8-bit timer 3 clock selection
P8TPCK2
8-bit timer 2 clock selection
P8TPCK1
8-bit timer 1 clock selection
P8TPCK0
8-bit timer 0 clock selection
–
reserved
P16TON0
16-bit timer 0 clock control
P16TS02
16-bit timer 0
P16TS01
clock division ratio selection
P16TS00
–
reserved
P16TON1
16-bit timer 1 clock control
P16TS12
16-bit timer 1
P16TS11
clock division ratio selection
P16TS10
–
reserved
P16TON2
16-bit timer 2 clock control
P16TS22
16-bit timer 2
P16TS21
clock division ratio selection
P16TS20
Setting
–
1
/1
0 Divided clk.
1
/1
0 Divided clk.
1 On
0 Off
1
1
1
/256
1
1
0
/128
1
0
1
/64
1
0
0
/32
0
1
1
/16
0
1
0
/8
0
0
1
/4
0
0
0
/2
1 On
0 Off
1
1
1
/4096
1
1
0
/2048
1
0
1
/64
1
0
0
/32
0
1
1
/16
0
1
0
/8
0
0
1
/4
0
0
0
/2
–
1
/1
0 Divided clk.
1
/1
0 Divided clk.
1
/1
0 Divided clk.
1
/1
0 Divided clk.
–
1 On
0 Off
P16TS0[2:0]
Division ratio
1
1
1
/4096
1
1
0
/1024
1
0
1
/256
1
0
0
/64
0
1
1
/16
0
1
0
/4
0
0
1
/2
0
0
0
/1
–
1 On
0 Off
P16TS1[2:0]
Division ratio
1
1
1
/4096
1
1
0
/1024
1
0
1
/256
1
0
0
/64
0
1
1
/16
0
1
0
/4
0
0
1
/2
0
0
0
/1
–
1 On
0 Off
P16TS2[2:0]
Division ratio
1
1
1
/4096
1
1
0
/1024
1
0
1
/256
1
0
0
/64
0
1
1
/16
0
1
0
/4
0
0
1
/2
0
0
0
/1
EPSON
4 PERIPHERAL CIRCUITS
Init. R/W
Remarks
–
–
0 when being read.
0
R/W
: selected by
0
R/W
Prescaler clock select
register (0x40181)
0
R/W
0
R/W
: selected by
0
R/W
Prescaler clock select
0
R/W
register (0x40181)
8-bit timer 5 can
generate the clock for
the serial I/F Ch.3.
0
R/W
0
R/W
: selected by
0
R/W
Prescaler clock select
0
R/W
register (0x40181)
8-bit timer 4 can
generate the clock for
the serial I/F Ch.2.
–
–
0 when being read.
0
R/W
: selected by
0
R/W
Prescaler clock select
0
R/W
register (0x40181)
0
R/W
–
–
0 when being read.
0
R/W
0
R/W
: selected by
0
Prescaler clock select
0
register (0x40181)
16-bit timer 0 can be
used as a watchdog
timer.
–
–
0 when being read.
0
R/W
0
R/W
: selected by
0
Prescaler clock select
0
register (0x40181)
–
–
0 when being read.
0
R/W
0
R/W
: selected by
0
Prescaler clock select
0
register (0x40181)
A-15
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