T16B Ch.n Counter Control Register - Epson S1C17M20 Technical Manual

0x0
T16BnCLK.
CLKDIV[3:0] bits
IOSC
0xf 1/32,768
0xe 1/16,384
0xd 1/8,192
0xc 1/4,096
0xb 1/2,048
0xa 1/1,024
0x9 1/512
0x8 1/256
0x7 1/128
0x6 1/64
0x5 1/32
0x4 1/16
0x3 1/8
0x2 1/4
0x1 1/2
0x0 1/1
(Note) The oscillator circuits/external inputs that are not supported in this IC cannot be selected as the clock source.

T16B Ch.n Counter Control Register

Register name Bit
T16BnCTL 15–9 –
8
7–6 –
5–4 CNTMD[1:0]
3
2
1
0
Bits 15–9 Reserved
Bit 8 MAXBSY
This bit indicates whether data can be written to the T16BnMC register or not.
1 (R): Busy status (cannot be written)
0 (R): Idle (can be written)
While this bit is 1, the T16BnMC register is loading the MAX value. Data writing is prohibited during
this period.
Bits 7–6 Reserved
Bits 5–4 CNTMD[1:0]
These bits select the counter up/down mode. The count mode is configured with this selection and the
T16BnCTL.ONEST bit setting (see Table 15.6.2).
Bit 3 ONEST
This bit selects the counter repeat/one-shot mode. The count mode is configured with this selection
and the T16BnCTL.CNTMD[1:0] bit settings (see Table 15.6.2).
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
Table 15.6.1 Clock Source and Division Ratio Settings
0x1 0x2
OSC1 OSC3
1/1 1/32,768
1/16,384
1/8,192
1/4,096
1/2,048
1/1,024
1/512
1/256 1/256
1/128 1/128
1/64 1/64
1/32 1/32
1/16 1/16
1/8 1/8
1/4 1/4
1/2 1/2
1/1 1/1
Bit name Initial
0x00
MAXBSY 0
0x0
0x0
ONEST 0
RUN 0
PRESET 0
MODEN 0
Seiko Epson Corporation
T16BnCLK.CLKSRC[2:0] bits
0x3 0x4
EXOSC EXCLn0
1/1 1/1
Reset R/W
– R –
H0 R
– R
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
15 16-BIT PWM TIMERS (T16B)
0x5 0x6 0x7
EXCLn0 EXCLn1
EXCLn1 inverted inverted
input input
1/1 1/1 1/1
Remarks
15-23