25 A/D CONVERTER (ADC10)
S1C33L26 TECHNICAL MANUAL
Seiko Epson Corporation
25-13
A/D Clock Control Register (ADC10_CLK)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
A/D Clock
Control Register
(ADC10_CLK)
0x301306
(16 bits)
D15–4 –
reserved
–
–
–
0 when being read.
D3–0 ADDF[3:0] A/D converter clock division ratio
select
ADDF[3:0]
Division ratio
0x0 R/W Source clock =
PCLK1
0xf
0xe
0xd
0xc
0xb
0xa
0x9
0x8
0x7
0x6
0x5
0x4
0x3
0x2
0x1
0x0
reserved
1/32768
1/16384
1/8192
1/4096
1/2048
1/1024
1/512
1/256
1/128
1/64
1/32
1/16
1/8
1/4
1/2
D[15:4] Reserved
D[3:0]
ADDF[3:0]: A/D Converter Clock Division Ratio Select Bits
Selects the A/D converter clock (PCLK1 division ratio).
6.5 A/D Conversion Clock (PCLK1 Division Ratio) Selections
Table 25.
ADDF[3:0]
Division Ratio
0xf
Reserved
0xe
1/32768
0xd
1/16384
0xc
1/8192
0xb
1/4096
0xa
1/2048
0x9
1/1024
0x8
1/512
0x7
1/256
0x6
1/128
0x5
1/64
0x4
1/32
0x3
1/16
0x2
1/8
0x1
1/4
0x0
1/2
(Default: 0x0)
Note: The A/D converter uses the prescaler output as the source clock, the prescaler must be run in ad-
vance.