71M6531D_10 TERIDIAN [Teridian Semiconductor Corporation], 71M6531D_10 Datasheet - Page 81
71M6531D_10
Manufacturer Part Number
71M6531D_10
Description
Energy Meter IC
Manufacturer
TERIDIAN [Teridian Semiconductor Corporation]
Datasheet
1.71M6531D_10.pdf
(120 pages)
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FDS 6531/6532 005
v1.3
IEN_WD_NROVF 20B0[0]
IE_XFER
IE_RTC
IE_WAKE
INTBITS
LCD_BITMAP
[31:24]
LCD_BITMAP
[39:32]
LCD_BITMAP
[55:48]
LCD_BITMAP
[63:56]
LCD_BITMAP
[71:64]
LCD_BLKMAP19
[3:0]
LCD_BLKMAP18
[3:0]
LCD_CLK[1:0]
Name
SFR E8[0]
SFR E8[1]
SFR E8[5]
SFR F8[6:0]
2023
2024
2026
2027
2028
205A[7:4]
205A[3:0]
2021[1:0]
Location
Reset
0
0
0
0
–
0
0
0
0
0
0
0
Wake
0
0
0
–
–
L
L
L
L
L
L
L
© 2005-2010 TERIDIAN Semiconductor Corporation
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Dir
Active high watchdog near overflow interrupt enable.
Interrupt flags. These flags monitor the XFER_BUSY interrupt and the RTC_1SEC
interrupt. The flags are set by hardware and clear automatically.
Indicates that the MPU was awakened by the autowake timer. This bit is typically read
by the MPU on bootup. The firmware must write a zero to this bit to clear it.
Interrupt inputs. The MPU may read these bits to see the status of external interrupts
INT0, INT1 up to INT6. These bits do not have any memory and are primarily intended
for debug use.
Configuration for DIO11/SEG31 through DIO4/SEG24. Unused bits should be set to zero.
Bitmap of DIO19/SEG39 through DIO12/SEG32. Unused bits should be set to zero.
Bitmap of DIO28/SEG48 through DIO35/SEG55. Unused bits should be set to zero.
Bitmap of DIO36/SEG56 through DIO43/SEG63. Unused bits should be set to zero.
Bitmap of DIO44/SEG64 through DIO51/SEG71. Unused bits should be set to zero.
Identifies which segments connected to SEG18 and SEG19 should blink. 1 means
blink. The most significant bit corresponds to COM3, the least significant bit to COM0.
Sets the LCD clock frequency for COM/SEG pins (not
following (f
1 = LCD pin, 0 = DIO pin. Check
1 = LCD pin, 0 = DIO pin. Check
1 = LCD pin, 0 = DIO pin. Check
1 = LCD pin, 0 = DIO pin. Check
1 = LCD pin, 0 = DIO pin. Check
00 = f
01 = f
10 = f
11 = f
w
w/
w
w
w
/2
/2
/2
2
= 32768 Hz):
8
9
7
6
Table 54
Table 54
Table 54
Table 54
Table 54
Description
for bit availability.
for bit availability.
for bit availability.
for bit availability.
for bit availability.
Data Sheet 71M6531D/F-71M6532D/F
frame rate) according to the
81
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