BS85B12-3 HOLTEK [Holtek Semiconductor Inc], BS85B12-3 Datasheet - Page 86

• Manufacturer Part Number: BS85B12-3
• Description: Touch Key Flash Type 8-Bit MCU with LCD/LED Driver
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

Note:
Rev. 1.00
TM O/P Pin
TM O/P Pin
Flag TnAF
Flag TnPF
CCRA Int.
CCRP Int.
1. Here TnDPX=0 ¡V Counter cleared by CCRP
2. A counter clear sets the PWM Period
3. The internal PWM function continues running even when TnIO [1:0] = 00 or 01
4. The TnCCLR bit has no influence on PWM operation
TnPAU
TnPOL
CCRP
CCRA
TnON
Counter Value
(TnOC=1)
(TnOC=0)
PWM Duty Cycle
set by CCRA
Touch Key Flash MCU with LCD/LED Driver
Counter cleared
by CCRP
PWM Mode -- TnDPX = 0
80
PWM Period
set by CCRP
Pause Resume
BS85B12-3/BS85C20-3
Output controlled by
other pin-shared function
TnDPX = 0; TnM [1:0] = 10
Counter Stop if
TnON bit low
PWM resumes
operation
Counter Reset when
TnON returns high
Output Inverts
when TnPOL = 1
February 1, 2011
Time