71M6531D_10 Datasheet, PDF (42/120 Pages) Teridian Semiconductor Corporation – Energy Meter IC

Data Sheet 71M6531D/F-71M6532D/F
FDS 6531/6532 005
Table 39: Data/Direction Registers and Internal Resources for DIO 1-15 (71M6531D/F)
DIO
PB 1 2 – 4 5 6 7 8 9 10 11 12 13 14 15
LCD Segment – – – – 24 25 26 27 28 29 30 31 32 33 34 35
Pin number
65 60 3 – 39 40 41 42 43 44 45 46 68 30 21 22
Configuration (DIO
or LCD segment)
– –––0 1234567012 3
LCD_BITMAP[31:24]
LCD_BITMAP[39:32]
Data Register
0 12–4 5670123456 7
DIO0 = P0 (SFR 0x80)
DIO1 = P1 (SFR 0x90)
– 12–4 5670123456 7
Direction Register
DIO_DIR0 (SFR 0xA2)
DIO_DIR1 (SFR 0x91)
Internal Resources
Configurable
–
– ––YYYYYYYY–––
–
Table 40: Data/Direction Registers and Internal Resources for DIO 17-29 (71M6531D/F)
DIO
– 17 – – – – – – – – – – 28 29 – –
LCD Segment – 37 – – – – – – – – – – 48 49 – –
Pin number
– 13 – – – – – – – – – – 47 24 – –
Configuration (DIO ^{– 5 – – – – – – – – – – 0 1 – –}
or LCD segment) _{LCD_BITMAP[39:32]}
LCD_BITMAP[55:48]
Data Register
– 1––– ––– – – – – 4 5 – –
DIO2 = P2 (SFR 0xA0)
DIO3 = P3 (SFR 0xB0)
– 1––– –––
Direction Register
0 = input,
1 = output
DIO_DIR2 (SFR 0xA1)
Table 41: Data/Direction Registers and Internal Resources for DIO 43-46 (71M6531D/F)
DIO
– – – 43 44 45 46 –
LCD Segment
– – – 63 64 65 66 –
Pin number
Configuration (DIO or
LCD segment)
– – – 29
––– 7
LCD_BITMAP[63:56]
23 28 5 –
012–
LCD_BITMAP[64:71]
Data Register
–––
–
Direction Register
0 = input, 1 = output
–––
–
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