I/O Memory Of Prescaler - Epson S1C33210 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
S1C33210 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
III PERIPHERAL BLOCK: PRESCALER
Setting
–
1 /1 0 Divided clk.
1 /1 0 Divided clk.
1 On 0 Off
1 1 1
1 1 0
1 0 1
1 0 0
0 1 1
0 1 0
0 0 1
0 0 0
1 On 0 Off
1 1 1
1 1 0
1 0 1
1 0 0
0 1 1
0 1 0
0 0 1
0 0 0
–
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
1 1 0
1 0 1
1 0 0
0 1 1
0 1 0
0 0 1
0 0 0
–
1 On 0 Off
P16TS1[2:0] Division ratio
1 1 1
1 1 0
1 0 1
1 0 0
0 1 1
0 1 0
0 0 1
0 0 0
–
1 On 0 Off
P16TS2[2:0] Division ratio
1 1 1
1 1 0
1 0 1
1 0 0
0 1 1
0 1 0
0 0 1
0 0 0
EPSON
Init. R/W Remarks
– – 0 when being read.
0 R/W : selected by
0 R/W Prescaler clock select
register (0x40181)
0 R/W
/256 0 R/W : selected by
/128 0 R/W Prescaler clock select
/64 0 R/W register (0x40181)
/32
/16 8-bit timer 5 can
/8 generate the clock for
/4 the serial I/F Ch.3.
/2
0 R/W
/4096 0 R/W : selected by
/2048 0 R/W Prescaler clock select
/64 0 R/W register (0x40181)
/32
/16 8-bit timer 4 can
/8 generate the clock for
/4 the serial I/F Ch.2.
/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
/4096 0 Prescaler clock select
/1024 0 register (0x40181)
/256
/64 16-bit timer 0 can be
/16 used as a watchdog
/4 timer.
/2
/1
– – 0 when being read.
0 R/W
0 R/W : selected by
/4096 0 Prescaler clock select
/1024 0 register (0x40181)
/256
/64
/16
/4
/2
/1
– – 0 when being read.
0 R/W
0 R/W : selected by
/4096 0 Prescaler clock select
/1024 0 register (0x40181)
/256
/64
/16
/4
/2
/1
B-III-2-3