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III PERIPHERAL BLOCK: PRESCALER
B-III-2-4 EPSON S1C33L03 FUNCTION PART
NameAddressRegister name Bit Function Setting Init. R/W Remarks
––
P16TON3
P16TS32
P16TS31
P16TS30
D7–4
D3
D2
D1
D0
reserved
16-bit timer 3 clock control
16-bit timer 3
clock division ratio selection
–
0
0
0
0
–
R/W
R/W
0 when being read.
θ: selected by
Prescaler clock select
register (0x40181)
004014A
(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
P16TS3[2:0] Division ratio
θ/4096
θ/1024
θ/256
θ/64
θ/16
θ/4
θ/2
θ/1
16-bit timer 3
clock control
register
––
P16TON4
P16TS42
P16TS41
P16TS40
D7–4
D3
D2
D1
D0
reserved
16-bit timer 4 clock control
16-bit timer 4
clock division ratio selection
–
0
0
0
0
–
R/W
R/W
0 when being read.
θ: selected by
Prescaler clock select
register (0x40181)
004014B
(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
P16TS4[2:0] Division ratio
θ/4096
θ/1024
θ/256
θ/64
θ/16
θ/4
θ/2
θ/1
16-bit timer 4
clock control
register
––
P16TON5
P16TS52
P16TS51
P16TS50
D7–4
D3
D2
D1
D0
reserved
16-bit timer 5 clock control
16-bit timer 5
clock division ratio selection
–
0
0
0
0
–
R/W
R/W
0 when being read.
θ: selected by
Prescaler clock select
register (0x40181)
004014C
(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
P16TS5[2:0] Division ratio
θ/4096
θ/1024
θ/256
θ/64
θ/16
θ/4
θ/2
θ/1
16-bit timer 5
clock control
register
1 On 0 OffP8TON1
P8TS12
P8TS11
P8TS10
P8TON0
P8TS02
P8TS01
P8TS00
D7
D6
D5
D4
D3
D2
D1
D0
8-bit timer 1 clock control
8-bit timer 1
clock division ratio selection
8-bit timer 0 clock control
8-bit timer 0
clock division ratio selection
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
θ: selected by
Prescaler clock select
register (0x40181)
8-bit timer 1 can
generate the OSC3
oscillation-stabilize
waiting period.
θ: selected by
Prescaler clock select
register (0x40181)
8-bit timer 0 can
generate the DRAM
refresh clock.
004014D
(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
P8TS1[2:0] Division ratio
θ/4096
θ/2048
θ/1024
θ/512
θ/256
θ/128
θ/64
θ/32
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
P8TS0[2:0] Division ratio
θ/256
θ/128
θ/64
θ/32
θ/16
θ/8
θ/4
θ/2
8-bit timer 0/1
clock control
register