Panasonic MN101L Series

Chapter 11
RTC Time Base Timer (RTC-TBT)
XI - 4 Control Register
11.2.1 RTC-TBT Control Register
 RTC-TBT Control Register 0 (TBTCNT0: 0x03EEA)
bp7 6543210
Bit name TBTCLKSEL ADJCNT1-0 - TBTIRQEN TBTIRQSEL2-0
At reset0 0000000
Access R/W R/W R/W R/W R/W R/W R/W R/W
bp Bit name Description
7 TBTCLKSEL
Clock source select for RTC-TBT
0: SOSCCLK
1: SRCCLK
6-5 ADJCNT1-0
Adjustment period select for RTC-TBT
00: 128 sec
01: 32 sec
10: 8 sec
11: 2 sec
4 - Always read as 0.
3TBTIRQEN
Interrupt enable for RTC-TBT
0: Disable
1: Enable
2-0
TBTIRQSEL
2-0
Interrupt cycle select for RTC-TBT
000: 128 Hz
001: 64 Hz
010: 32 Hz
011: 16 Hz
100: 8 Hz
101: 4 Hz
110: 2 Hz
111: 1 Hz