h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 408

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 14 Timer Connection
14.3.4
SEDGR detects a rising edge on the timer connection input pins and the occurrence of 2fH
modification, and determines the phase of the IVI and IHI signals.
Rev. 3.00 Jan 25, 2006 page 356 of 872
REJ09B0286-0300
Bit
7
6
5
4
Bit Name
VEDG
HEDG
CEDG
HFEDG
Edge Sense Register (SEDGR)
Initial Value
0
0
0
0
R/W
R/(W) *
R/(W) *
R/(W) *
R/(W) *
1
1
1
1
Description
VSYNCI Edge
Detects a rising edge on the VSYNCI pin.
[Clearing condition]
When 0 is written in VEDG after reading VEDG = 1
[Setting condition]
When a rising edge is detected on the VSYNCI pin
HSYNCI Edge
Detects a rising edge on the HSYNCI pin.
[Clearing condition]
When 0 is written in HEDG after reading HEDG = 1
[Setting condition]
When a rising edge is detected on the HSYNCI pin
CSYNCI Edge
Detects a rising edge on the CSYNCI pin.
[Clearing condition]
When 0 is written in CEDG after reading CEDG = 1
[Setting condition]
When a rising edge is detected on the CSYNCI pin
HFBACKI Edge
Detects a rising edge on the HFBACKI pin.
[Clearing condition]
When 0 is written in HFEDG after reading HFEDG = 1
[Setting condition]
When a rising edge is detected on the HFBACKI pin