- SS-HQ1 Application Notes -
Ver.1.0.0 January 7, 2005
228
SFTUP/SFTDWN key arrangement
Key operations can be arranged using the parameters in
. This key operation provides two periods
with different processing intervals. The period immediately after key release is called the initial period. The other
period is called the continuous period. (See
Table 12.3-3 Parameters for setting key arrangement
Parameter
Description
Notes
KEYINFLD CAT17_Byte19_bit0-7 Sets the key processing interval for the initial period Common
KEYINCNT CAT17_Byte20_bit0-1 Sets the key processing count for the initial period
Common
KEYRPFLD CAT17_Byte21_bit0-7
Sets the key processing interval for the continuous
period
Only valid for
WB processing
SFTSTEP
CAT17_Byte22_bit0-4 Shifter operation speed setting (STEP width)
Common
Fig 12.3-1 SFTUP/SFTDWN key arrangement
Fig 12.3-2 SFTUP/SFTDWN key assignments
SFTUP and SFTDWN are assigned to ports (Pn1 and Pn2 in the diagram), and the port driver is set so that
SFTUP can be controlled through the Pn1 port and SFTDWN through the Pn2 port.
1
2
3
n
Initial period
Continuous period
off
on
KEY
KEY processing field
KEYINFLD
KEY processing count
KEYINCNT
SG shift
processing
WB
processing
KEY processing field
KEYRPFLD
3.3V
UP
Key
DOWN
Key
Pn1
Pn2
CXD3172AR