SMB139 View Datasheet(PDF) - Summit Microelectronics
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SMB139 Datasheet PDF : 27 Pages
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SMB139
CONFIGURATION REGISTERS (CONT.)
Table 12 – EN Polarity & I2C Bus/Slave Address – 8-bit (address: 0Fh) – Non-Volatile
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
EN (Enable) Polarity
0
X
X
X
X
X
X
X
1
X
X
X
X
X
X
X
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Active Low
Active High
I2C Bus Address
X
0
0
0
X
X
X
X
X
0
0
1
X
X
X
X
X
0
1
0
X
X
X
X
X
0
1
1
X
X
X
X
X
1
0
0
X
X
X
X
X
1
0
1
X
X
X
X
X
1
1
0
X
X
X
X
X
1
1
1
X
X
X
X
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
000
001
010
011
100
101
110
111
I2C Slave Address
X
X
X
X
0
0
0
0
X
X
X
X
0
0
0
1
X
X
X
X
0
0
1
0
X
X
X
X
0
0
1
1
X
X
X
X
0
1
0
0
X
X
X
X
0
1
0
1
X
X
X
X
0
1
1
0
X
X
X
X
0
1
1
1
X
X
X
X
1
0
0
0
X
X
X
X
1
0
0
1
X
X
X
X
1
0
1
0
X
X
X
X
1
0
1
1
X
X
X
X
1
1
0
0
X
X
X
X
1
1
0
1
X
X
X
X
1
1
1
0
X
X
X
X
1
1
1
1
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Table 13 – Volatile Configuration & Charger Enable – 8-bit (address: 31h) – Non-Volatile
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Volatile Configuration
0
X
X
X
X
X
X
X
Volatile writes to h00-h07 are disabled
1
X
X
X
X
X
X
X
Volatile writes to h00-h07 are enabled
(if CFG h0E[0]=1)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Charger Enable
(if CFG 05[6]=0; else this bit has no effect)
X
X
X
0
X
X
X
X
Charging Disabled
X
X
X
1
X
X
X
X
Charging Enabled
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
CHGSET Select
(This bit only has an effect when 07[0]=1)
X
X
X
X
0
X
X
X
40mA
X
X
X
X
1
X
X
X
210mA
Note 4: Never Write to Reserved bits.
Summit Microelectronics, Inc
2121 3.0 6/19/2008
24
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