参数资料
型号: 71M6541F-DB
厂商: Maxim Integrated Products
文件页数: 79/166页
文件大小: 0K
描述: DEMO BOARD 71M6541F
标准包装: 1
系列: *
71M6541D/F/G and 71M6542F/G Data Sheet
The TMUXOUT and TMUX2OUT pins may be used for diagnostics purposes during the product
development cycle or in the production test. The RTC 1-second output may be used to calibrate the
crystal oscillator. The RTC 4-second output provides higher precision for RTC calibration. RTCLK may
also be used to calibrate the RTC.
Table 65: TMUX[5:0] Selections
TMUX[5:0]
1
9
A
D
E
1B
1C
1D
1F
Signal Name
RTCLK
WD_RST
CKMPU
V3AOK bit
V3OK bit
MUX_SYNC
CE_BUSY interrupt
CE_XFER interrupt
RTM output from CE
Description
32.768 kHz clock waveform
Indicates when the MPU has reset the watchdog timer. Can be
monitored to determine spare time in the watchdog timer.
MPU clock – see Table 9
Indicates that the V3P3A pin voltage is ≥ 3.0 V. The V3P3A and
V3P3SYS pins are expected to be tied together at the PCB level.
The 71M654x monitors the V3P3A pin voltage only.
Indicates that the V3P3A pin voltage is ≥ 2.8 V. The V3P3A and
V3P3SYS pins are expected to be tied together at the PCB level.
The 71M654x monitors the V3P3A pin voltage only.
Internal multiplexer frame SYNC signal. See Figure 6 and Figure
See 2.3.3 on page 25 and Figure 16 on page 47
See 2.3.5 on page 25
Note:
All TMUX[5:0] values which are not shown are reserved.
Table 66: TMUX2[4:0] Selections
TMUX2[4:0]
0
1
2
3
8
9
A
B
C
E
12
13
14
15
16
17
18
1F
Signal Name
WD_OVF
PULSE_1S
PULSE_4S
RTCLK
SPARE[1] bit – I/O RAM
0x2704[1]
SPARE[2] bit – I/O RAM
0x2704[2]
WAKE
MUX_SYNC
MCK
GNDD
INT0 – DIG I/O
INT1 – DIG I/O
INT2 – CE_PULSE
INT3 – CE_BUSY
INT4 - VSTAT
INT5 – EEPROM/SPI
INT6 – XFER, RTC
RTM_CK (flash)
Description
Indicates when the watchdog timer has expired (overflowed).
One second pulse with 25% Duty Cycle. This signal can be used
to measure the deviation of the RTC from an ideal 1 second
interval. Multiple cycles should be averaged together to filter out
jitter.
Four second pulse with 25% Duty Cycle. This signal can be used
to measure the deviation of the RTC from an ideal 4 second
interval. Multiple cycles should be averaged together to filter out
jitter. The 4 second pulse provides a more precise measurement
than the 1 second pulse.
32.768 kHz clock waveform
Copies the value of the bit stored in 0x2704[1]. For general
purpose use.
Copies the value of the bit stored in 0x2704[2]. For general
purpose use.
Indicates when a WAKE event has occurred.
Internal multiplexer frame SYNC signal. See Figure 6 and Figure
See 2.5.3 on page 50
Digital GND. Use this signal to make the TMUX2OUT pin static.
Interrupt 0. See 2.4.8 on page 41 . Also see Figure 16 on page 47 .
See 2.3.5 on page 25 .
Note:
All TMUX2[4:0] values which are not shown are reserved.
Rev 4
79
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