0X4220/0X4240/0X4260: 16-Bit Timer Ch.x Input Clock Select Registers (T16_Clkx) - Epson S1C17001 Technical Manual

11 16-BIT TIMER (T16)

0x4220/0x4240/0x4260: 16-bit Timer Ch.x Input Clock Select Registers (T16_CLKx)

Register name Address Bit
16-bit Timer 0x4220 D15–4 –
Ch.x Input 0x4240
D3–0 DF[3:0]
Clock Select 0x4260
Register (16 bits)
(T16_CLKx)
Note: The "x" in the register names indicates the channel number (0 to 2).
D[15:4] Reserved
D[3:0] DF[3:0]: Timer Input Clock Select Bits
Select the 16-bit timer count clock from the 15 different prescaler output clocks.
DF[3:0]
0xf
0xe
0xd
0xc
0xb
0xa
0x9
0x8
Note: Make sure the 16-bit timer count is halted before changing count clock settings.
118
Name Function
reserved
Timer input clock select
(Prescaler output clock)
Table 11.9.2: Count clock selection
Prescaler output clock
Reserved
PCLK-1/16384
PCLK-1/8192
PCLK-1/4096
PCLK-1/2048
PCLK-1/1024
PCLK-1/512
PCLK-1/256
EPSON
Setting Init. R/W
– –
DF[3:0] Clock 0x0 R/W
0xf
reserved
0xe PCLK-1/16384
0xd PCLK-1/8192
0xc PCLK-1/4096
0xb PCLK-1/2048
0xa PCLK-1/1024
0x9 PCLK-1/512
0x8 PCLK-1/256
0x7 PCLK-1/128
0x6 PCLK-1/64
0x5 PCLK-1/32
0x4 PCLK-1/16
0x3 PCLK-1/8
0x2
PCLK-1/4
0x1 PCLK-1/2
0x0 PCLK-1/1
DF[3:0] Prescaler output clock
0x7 PCLK-1/128
0x6 PCLK-1/64
0x5 PCLK-1/32
0x4 PCLK-1/16
0x3 PCLK-1/8
0x2 PCLK-1/4
0x1 PCLK-1/2
0x0 PCLK-1/1
S1C17001 TECHNICAL MANUAL
Remarks
– 0 when being read.
(Default: 0x0)