I/O Memory Of Prescaler - Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Technical Manual

I/O Memory of Prescaler

Table 2.3 shows the control bits of the prescaler.
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
S1C33L03 FUNCTION PART
Table 2.3 Control Bits of Prescaler
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
EPSON
III PERIPHERAL BLOCK: PRESCALER
Setting Init. R/W
– –
1 /1 0 Divided clk. 0
1 /1 0 Divided clk. 0
1 On 0 Off 0
1 1 1 /256 0
1 1 0 /128 0
1 0 1 /64 0
1 0 0 /32
0 1 1 /16
0 1 0 /8
0 0 1 /4
0 0 0 /2
1 On 0 Off 0
1 1 1 /4096 0
1 1 0 /2048 0
1 0 1 /64 0
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. 0
1 /1 0 Divided clk. 0
1 /1 0 Divided clk. 0
1 /1 0 Divided clk. 0
– –
1 On 0 Off 0
P16TS0[2:0] Division ratio 0
1 1 1 /4096 0
1 1 0 /1024 0
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 0
P16TS1[2:0] Division ratio 0
1 1 1 /4096 0
1 1 0 /1024 0
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 0
P16TS2[2:0] Division ratio 0
1 1 1 /4096 0
1 1 0 /1024 0
1 0 1 /256
1 0 0 /64
0 1 1 /16
0 1 0 /4
0 0 1 /2
0 0 0 /1
A-1
Remarks
– 0 when being read.
R/W : selected by
R/W Prescaler clock select
register (0x40181)
R/W
R/W : selected by
R/W Prescaler clock select
R/W register (0x40181)
8-bit timer 5 can
generate the clock for
the serial I/F Ch.3.
R/W
R/W : selected by
R/W Prescaler clock select
R/W register (0x40181)
8-bit timer 4 can
generate the clock for
the serial I/F Ch.2.
– 0 when being read.
R/W : selected by
R/W Prescaler clock select
R/W register (0x40181)
R/W
– 0 when being read.
R/W
B-III
R/W : selected by
Prescaler clock select
register (0x40181)
PSC
16-bit timer 0 can be
used as a watchdog
timer.
– 0 when being read.
R/W
R/W : selected by
Prescaler clock select
register (0x40181)
– 0 when being read.
R/W
R/W : selected by
Prescaler clock select
register (0x40181)
B-III-2-3