71M6541D Datasheet, PDF (62/166 Pages) Maxim Integrated Products – 0.1% Accuracy Over 2000:1 Current Range Energy Meter ICs

71M6541D/F/G and 71M6542F/G Data Sheet
Table 49: Data/Direction Registers for SEGDIO19 to SEGDIO27 (71M6541D/F/G)
SEGDIO
Pin #
Configuration:
0 = DIO, 1 = LCD
SEG Data Register
DIO Data Register
Direction Register:
0 = input, 1 = output
– – – 19 20 21 22 23 24 25 26 27 – – – –
– – – 16 15 14 13 12 11 10 9 8 – – – –
– – –3 4 5 6 7 01 2 3– –– –
LCD_MAP[23:19] (I/O RAM 0x2409)
LCD_MAP[27:24] (I/O RAM 0x2408)
– – – 19 20 21 22 23 24 25 26 27 – – – –
LCD_SEGDIO19[5:0] to LCD_SEGDIO27[5:0]
(I/O RAM 0x2423[5:0] to 0x242C[5:0])
– – – 19 20 21 22 23 24 25 26 27 – – – –
LCD_SEGDIO19[0] to LCD_SEGDIO27[0]
(I/O RAM 0x2423[0] to 0x242C[0])
– – – 19 20 21 22 23 24 25 26 27 – – – –
LCD_SEGDIO19[1] to LCD_SEGDIO27[1]
(I/O RAM 0x2423[1] to 0x242C[1])
Table 50: Data/Direction Registers for SEGDIO36-39 to SEGDIO44-45 (71M6541D/F/G)
SEGDIO
– – – – 36 37 38 39 – – – – 44 45
Pin #
– – – – 3 2 1 64 – – – – 63 62
Configuration:
0 = DIO, 1 = LCD
––––4567––––45
LCD_MAP[39:36]
(I/O RAM 0x2407)
LCD_MAP[45:44]
(I/O RAM 0x2406)
SEG Data Register
– – – – 36 37 38 39 – – – – 44 45
LCD_SEGDIO36[5:0] to LCD_SEGDIO45[5:0]
(I/O RAM 0x2434-2437[5:0] to 0x243C-243D[5:0])
DIO Data Register
– – – – 36 37 38 39 – – – – 44 45
LCD_SEGDIO32[0] to LCD_SEGDIO45[0]
(I/O RAM 0x2434-2437[0] to 0x243C-243D[0])
Direction Register:
– – – – 36 37 38 39 – – – – 44 45
0 = input, 1 = output
LCD_SEGDIO32[1] to LCD_SEGDIO45[1]
(I/O RAM 0x2434-2437[1] to 0x243C-243D[1])
Table 51: Data/Direction Registers for SEGDIO51 and SEGDIO55 (71M6541D/F/G)
SEGDIO
Pin #
Configuration:
0 = DIO, 1 = LCD
SEG Data Register
DIO Data Register
Direction Register:
0 = input, 1 = output
51 – – – 55 – – –
33 – – – 32 – – –
3–––7–––
LCD_MAP[55], LDC_MAP[51]
(I/O RAM 0x2405)
51 – – – 55 – – –
LCD_SEGDIO51[5:0], LCD_SEGDIO55[5:0]
(I/O RAM 0x2443[5:0] and 0x2447[5:0])
51 – – – 55 – – –
LCD_SEGDIO51[0] to LCD_SEGDIO55[0]
(I/O RAM 0x2443[0] and 0x2447[0])
51 – – – 55 – – –
LCD_SEGDIO51[1] to LCD_SEGDIO55[1]
(I/O RAM 0x2443[1] and 0x2447[1])