FDS 6531/6532 005
Data Sheet 71M6531D/F-71M6532D/F
Description
Name
Location
Reset Wake
Dir
PLS_INV
2004[6]
0
0
R/W Inverts the polarity of the pulse outputs. Normally, these pulses are active low. When
inverted, they become active high.
–
–
PREBOOT
SFRB2[7]
R
Indicates that the preboot sequence is active.
PREG[16:0]
201C[2:0]
201D[7:0]
201E[7:2]
4
0
0
4
0
0
R/W RTC adjust. See Section 1.5.3 Real-Time Clock (RTC) for additional details.
R/W
R/W
0x0FFBF ≤ PREG[16:0] ≤ 0x10040
PREG[16:0] and QREG[1:0] are separate in hardware but can be programmed with a
single number calculated by the MPU.
PRE_SAMPS[1:0] 2001[7:6]
0
0
R/W The duration of the pre-summer, in samples.
PRE_SAMPS[1:0]
Pre-summer Duration
00
01
10
11
42
50
84
100
QREG[1:0]
201E[1:0]
2010[0]
0
0
0
0
–
R/W RTC adjust. See Section 1.5.3 Real-Time Clock (RTC) for additional details.
R/W The sub-second counter is restarted when a 1 is written to this bit.
RST_SUBSEC
RTCA_ADJ[6:0] 2011[6:0]
40
R/W Analog RTC adjust. See Section 1.5.3 Real-Time Clock (RTC) for additional details.
2015
2016
2017
2018
2019
201A
201B
*
*
*
*
*
*
*
NV
NV
NV
NV
NV
NV
NV
RTC_SEC[5:0
RTC_MIN[5:0]
RTC_HR[4:0]
RTC_DAY[2:0]
RTC_DATE[4:0]
RTC_MO[3:0]
RTC_YR[7:0]
R/W These are the year, month, day, hour, minute and second parameters of the RTC.
Writing to these registers sets the time. Each write operation to one of these registers
must be preceded by a write to 0x201F (WE). Valid values for each parameter are:
SEC: 00 to 59, MIN: 00 to 59, HR: 00 to 23 (00 = Midnight)
DAY: 01 to 07 (01 = Sunday), DATE: 01 to 31, MO: 01 to 12
YR: 00 to 99 (00 and all others divisible by 4 are leap years)
Values in the RTC registers are undefined when the IC powers up without a battery but
are maintained through mission and battery modes when a sufficient voltage is main-
tained at the VBAT pin.
* no change of value at reset.
RTM_E
2002[3]
0
0
R/W Real Time Monitor (RTM) enable. When 0, the RTM output is low.
RTM0[7:0]
2060[9:8]
2061[7:0]
2062[9:8]
2063[7:0]
2064[9:8]
2064[7:0]
2065[9:8]
2066[7:0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W The four RTM probes. Before each CE code pass, the values of these registers are
serially output on the RTM pin. The RTM registers are ignored when RTM_E = 0.
RTM1[7:0]
RTM2[7:0]
RTM3[7:0]
v1.2
© 2005-2009 TERIDIAN Semiconductor Corporation
83
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
