h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 421

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

13.3.7
With the HSYNCO output, the meaning of the signal source to be selected and use or non-use of
modification varies according to the IHI signal source and the waveform required by external
circuitry. The meaning of the HSYNCO output in each mode is shown in table 13.9.
Table 13.9 Meaning of HSYNCO Output in Each Mode
Mode
No signal
S-on-G
mode
Composite
mode
Separate
mode
HSYNCO Output
IHI Signal
HFBACKI
input
CSYNCI
input
HSYNCI
input
HSYNCI
input
IHI signal (without
2fH modification)
IHI signal (with 2fH
modification)
CL1 signal
IHG signal
IHI signal (without
2fH modification)
IHI signal (with 2fH
modification)
CL1 signal
IHG signal
IHI signal (without
2fH modification)
IHI signal (with 2fH
modification)
CL1 signal
IHG signal
IHI signal (without
2fH modification)
IHI signal (with 2fH
modification)
CL1 signal
IHG signal
IHO Signal
HFBACKI input is output directly
Meaningless unless there is a double-frequency
part in the HFBACKI input
HFBACKI input 1 interval is changed before output
Internal synchronization signal is output
CSYNCI input (composite synchronization signal)
is output directly
Double-frequency part of CSYNCI input (composite
synchronization signal) is eliminated before output
CSYNCI input (composite synchronization signal)
horizontal synchronization signal part is separated
before output
Internal synchronization signal is output
HSYNCI input (composite synchronization signal)
is output directly
Double-frequency part of HSYNCI input (composite
synchronization signal) is eliminated before output
HSYNCI input (composite synchronization signal)
horizontal synchronization signal part is separated
before output
Internal synchronization signal is output
HSYNCI input (horizontal synchronization signal) is
output directly
Meaningless unless there is a double-frequency
part in the HSYNCI input (horizontal
synchronization signal)
HSYNCI input (horizontal synchronization signal) 1
interval is changed before output
Internal synchronization signal is output
Meaning of IHO Signal
Section 13 Timer Connection [H8S/2138 Group]
Rev. 4.00 Jun 06, 2006 page 367 of 1004
REJ09B0301-0400