NEC PD78F9488 User Manual
Page 278
CHAPTER 15 REMOTE CONTROLLER RECEIVER (
µ
PD789489, 78F9489 ONLY)
User’s Manual U15331EJ4V1UD
278
Figure 15-3. Format of Remote Controller Receive Control Register (2/2)
Symbol
7 6 5 4 3 2 1 0
Address
After
reset
R/W
RMCN RMEN NCW PRSEN RMIN
0
0
RMCK1 RMCK0 FF60H 00H
R/W
RMCK1
RMCK0
Selection of source clock (f
REM
) of remote controller counter
0 0
f
X
/2
6
(625 kHz)
0 1
f
X
/2
7
(313 kHz)
1 0
f
X
/2
8
(156 kHz)
1 1
f
XT
(32.768 kHz)
Cautions 1. Always set bits 2 and 3 to 0.
2. To change the values of NCW, PRSEN, RMIN, RMCK1, and RMCK0, disable remote
controller reception (RMEN
= 0) first.
Remarks 1. f
X
: Oscillation frequency of main system clock
2. f
XT
: Oscillation frequency of subsystem clock
3. The parenthesized values apply to operation at f
X
= 4.0 MHz and f
XT
= 32.768 kHz.