Panasonic MN103S User Manual page 212

Chapter 8
8-bit Timer
Timer 4 Mode Register (TM4MD: 0x0000A1A0) [8-bit Access Register]
bp 7
Flag TM4
CNE
At reset 0
Access R/W
bp Flag
7 TM4CNE
6 TM4LDE
5-3 -
TM4CK2
2-0 TM4CK1
TM4CK0
When the count clock source is set to IOCLK/128, set the TM4IN flag of the external prescaler control
register TMEXPSC8 to "1" and the EXPSCNE flag to " 1".
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VIII - 22 Control Registers
6 5 4 3
TM4 - - -
LDE
0 0 0 0
R/W R R R
Description
Timer operation enable
Timer initialization
-
Count clock source selection
2 1 0
TM4 TM4 TM4
CK2 CK1 CK0
0 0 0
R/W R/W R/W
Set condition
0: Operation disabled
1: Operation enabled
0: Normal operation
1: Initialization
TM4BR value is loaded into TM4BC. Timer output 4 is set to "L" level.
-
000: IOCLK
001: IOCLK/8
010: IOCLK/32
011: Setting prohibited
100: Setting prohibited
101: Timer 5 underflow
110: Timer 6 underflow
111: TM4IO pin input (rising edge), IOCLK/128
When 1/8 IOCLK and 1/32 IOCLK are used, the prescaler control reg-
ister (TM47PSC) should be set.