STC3100 register map

AN3064

12/15

Doc ID 16263 Rev 1

Appendix B

STC3100 register map

Table 11 details the mapping of the battery monitoring registers.

The REG_MODE and REG_CTRL registers are described in detail in Table 12 and

Table 13.

Table 11.

Register map

Name

Address

(dec.)

Type

Description

Control registers

REG_MODE

0

R/W

Mode register

REG_CTRL

1

R/W

Control and status register

REG_CHARGE_LOW

2

R

Coulomb counter data, bits 0-7

REG_CHARGE_HIGH

3

R

Coulomb counter data, bits 8-15

REG_COUNTER_LOW

4

R

Conversion counter, bits 0-7

REG_COUNTER_HIGH

5

R

Conversion counter, bits 8-15

REG_CURRENT_LOW

6

R

Battery current value, bits 0-7

REG_CURRENT_HIGH

7

R

Battery current value, bits 8-15

REG_VOLTAGE_LOW

8

R

Battery voltage value, bits 0-7

REG_VOLTAGE_HIGH

9

R

Battery voltage value, bits 8-15

REG_TEMPERATURE_LOW

10

R

Temperature value, bits 0-7

REG_TEMPERATURE_HIGH

11

R

Temperature value, bits 8-15

Device ID registers

REG_ID0

24

R

Part type ID = 10h

REG_ID1

25

R

Unique part ID, bits 0-7

REG_ID2

26

R

Unique part ID, bits 8-15

REG_ID3

27

R

Unique part ID, bits 16-23

REG_ID4

28

R

Unique part ID, bits 24-31

REG_ID5

29

R

Unique part ID, bits 32-39

REG_ID6

30

R

Unique part ID, bits 40-47

REG_ID7

31

R

Device ID CRC

RAM registers

REG_RAM0

32

R/W

General-purpose RAM register 0

...

...

...

REG_RAM31

63

R/W

General-purpose RAM register 31