BS85B12-3 HOLTEK [Holtek Semiconductor Inc], BS85B12-3 Datasheet - Page 110
BS85B12-3
Manufacturer Part Number
BS85B12-3
Description
Touch Key Flash Type 8-Bit MCU with LCD/LED Driver
Manufacturer
HOLTEK [Holtek Semiconductor Inc]
Datasheet
1.BS85B12-3.pdf
(182 pages)
- Current page: 110 of 182
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Note:
Rev. 1.00
TnBIO1, TnBIO0
TM Capture Pin
Flag TnBF
Flag TnPF
TnPAU bit
CCRB Int.
CCRP Int.
TnON bit
CCRP
CCRB
Counter
Value
Value
Value
1. TnBM [1:0] = 01 and active edge set by the TnBIO [1:0] bits
2. The TM Capture input pin active edge transfers the counter value to CCRB
3. TnCCLR bit not used
4. No output function -- TnBOC and TnBPOL bits not used
5. CCRP determines the counter value and the counter has a maximum count value when CCRP
YY
XX
is equal to zero.
Active
edge
As the TPnA and TPnB_0, TPnB_1, TPnB_2 pins are pin shared with other functions, care must be
taken if the TM is in the Capture Input Mode. This is because if the pin is setup as an output, then any
transitions on this pin may cause an input capture operation to be executed. The TnCCLR, TnAOC,
TnBOC, TnAPOL and TnBPOL bits are not used in this mode.
00 - Rising edge
Touch Key Flash MCU with LCD/LED Driver
XX
Active
edge
Counter
overflow
01 - Falling edge
ETM CCRB Capture Input Mode
edges
YY
Active
10 - Both edges
XX
104
BS85B12-3/BS85C20-3
Pause
11 - Disable Capture
YY
Resume
Stop
TnBM1, TnBM0 = 01
Counter
Reset
February 1, 2011
Time
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