TOPWAY
LCD Module User Manual
LMT070DICFWD-NJN
URL:
www.topwaydisplay.com
Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC
Page: 21 of 33
REG[89h] PLL Control Register 2 (PLLC2)
Bit
Description
Default
Access
7-3 NA
0
RO
2-0
PLLDIVK[2:0]
PLL Output divider
000b : divided by 1.
001b : divided by 2.
010b : divided by 4.
011b : divided by 8.
100b : divided by 16.
101b : divided by 32.
110b : divided by 64.
111b : divided by 128.
03h
RW
REG[8Ah] PWM1 Control Register (P1CR)
Bit
Description
Default
Access
7
PWM1 Enable
0 : Disable, PWM1_OUT level depends on P1CR bit6.
1 : Enable.
0
RW
6
PWM1 Disable Level
0 : PWM1_OUT is Normal L when PWM disable or Sleep
mode.
1 : PWM1_OUT is Normal H when PWM disable or Sleep
mode.
The bit is only usable when P1CR bit 4 is 0
0
RW
5
Reserved
0
RO
4
PWM1 Function Selection
0 : PWM1 function.
1 : PWM1 output a fixed frequency signal and it is equal to 1
/16 oscillator clock.
PWM1 = F
OSC
/ 16(
Note
)
0
RW
3-0
PWM1 Clock Source Divide Ratio
0000b : SYS_CLK / 1
1000b : SYS_CLK / 256
0001b : SYS_CLK / 2
1001b : SYS_CLK / 512
0010b : SYS_CLK / 4
1010b : SYS_CLK / 1024
0011b : SYS_CLK / 8
1011b : SYS_CLK / 2048
0100b : SYS_CLK / 16
1100b : SYS_CLK / 4096
0101b : SYS_CLK / 32
1101b : SYS_CLK / 8192
0110b : SYS_CLK / 64
1110b : SYS_CLK / 16384
0111b : SYS_CLK / 128
1111b : SYS_CLK / 32768
For example, if the system clock is 20MHz and Bit[3:0]
=0001b, when the clock source of PWM1 is 10MHz.
0
RW
Note : FOSC is the frequency of external oscillator.
REG[8Bh] PWM1 Duty cycle Register (P1DCR)
Bit
Description
Default
Access
7-0
PWM Cycle Duty Selection Bit
00h 1 / 256 Duty with PWM1 clock source.
01h 2 / 256 Duty with PWM1 clock source.
02h 3 / 256 Duty with PWM1 clock source.
:
:
FEh 255 / 256 Duty with PWM1 clock source.
FFh 256 / 256 Duty with PWM1 clock source.
0
RW
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