NEC V850E/PH2 User Manual page 517

<2> TTnCTL2: TTnUDS1, 0 = 01B (count judgment mode 2)
A Phase (Pin TENCTn0)
Low level
High level
Rising edge
Falling edge
Both edges
Rising edge
Falling edge
Both edges
Simultaneous pin TENCTn0/TENCTn1 inputs
Operation example:
TTnIOC3: TTnEIS3, 2 = 10B
TTnIOC3: TTnEIS1, 0 = 10B
Figure 11-35: Encoder Count Function Up/Down Count Selection Specification Timings (2/6)
TENCTn0
TENCTn1
Counter
Remarks: 1. The count value is held when the edges of the TENCTn0/TENCTn1 pin inputs overlap.
2. n = 0, 1
Chapter 11 16-bit Timer/Event Counter T
B Phase (Pin TENCTn1)
TENCTn1 pin input
TENCTn0 pin input
(b) Timing 2
0006 0007
Up count
User's Manual U16580EE3V1UD00
Rising edge
Falling edge
Both edges
Rising edge
Falling edge
Both edges
Low level
High level
Rising edge detection
Rising edge detection
0008
Hold
Count
Down
Up
Hold
0007 0006
Down count
0005
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