参数资料
型号: 71M6542F-IGT/F
厂商: Maxim Integrated
文件页数: 123/166页
文件大小: 0K
描述: IC ENERGY METERING
标准包装: 90
系列: *
71M6541D/F/G and 71M6542F/G Data Sheet
Name
Location
Rst Wk Dir
Description
Inhibits erasure of page 0 and flash addresses above the beginning of CE code
SECURE
SFR B2[6]
0
0
R/W as defined by CE_LCTN[5:0]. Also inhibits the read of flash via the SPI and ICE
port.
Puts the part to SLP mode. Ignored if system power is present. The part
SLEEP
28B2[7]
0
0
W
wakes when the Wake timer times out, when push button is pushed, or when
system power returns.
SPI_CMD[7:0]
SPI_E
SPI_SAFE
SFR FD[7:0]
270C[4]
270C[3]
1
0
1
0
R
R/W
R/W
SPI command register for the 8-bit command from the bus master.
SPI port enable. Enables SPI interface on pins SEGDIO36 – SEGDIO39.
Requires that LCD_MAP[36-39] = 0.
Limits SPI writes to SPI_CMD and a 16-byte region in DRAM. No other
writes are permitted.
SPI_STAT contains the status results from the previous SPI transaction.
Bit 7: Ready error: The 71M654x was not ready to read or write as directed
by the previous command.
Bit 6: Read data parity: This bit is the parity of all bytes read from the
71M654x in the previous command. Does not include the SPI_STAT byte.
Bit 5: Write data parity: This bit is the overall parity of the bytes written to the
SPI_STAT[7:0]
2708[7:0]
0
0
R
71M654x in the previous command. It includes CMD and ADDR bytes.
Bit 4-2: Bottom 3 bits of the byte count. Does not include ADDR and CMD
bytes. One, two, and three byte
instructions return 111.
Bit 1: SPI FLASH mode: This bit is zero when the TEST pin is zero.
Bit 0: SPI FLASH mode ready: Used in SPI FLASH mode. Indicates that the
flash is ready to receive another write instruction.
STEMP[10:3]
STEMP[2:0]
SUM_SAMPS[12:8]
SUM_SAMPS[7:0]
2881[7:0]
2882[7:5]
2107[4:0]
2108[7:0]
0
0
R
R
R/W
The result of the temperature measurement.
The number of multiplexer cycles per XFER_BUSY interrupt. Maximum value
is 8191 cycles.
Indicates that hardware is still writing the 0x28A0 byte. Additional writes to
TBYTE_BUSY
28A0[3]
0
0
R
this byte are locked out while it is one. Write duration could be as long as
6ms.
TEMP_22[10:8]
TEMP_22[7:0]
TEMP_BAT
TEMP_BSEL
230A[2:0]
230B[7:0]
28A0[4]
28A0[7]
0
0
0
R
R/W
R/W
Storage location for STEMP at 22C. STEMP is an 11-bit word.
Causes VBAT to be measured whenever a temperature measurement is
performed.
Selects which battery is monitored by the temperature sensor: 1 = VBAT,
0 = VBAT_RTC
Rev 4
123
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