Datasheet

71M6513/71M6513H

3-Phase Energy Meter IC

DATA SHEET

AUGUST 2011

A Maxim Integrated Products Brand

Interrupt Priority 0 Register (IP0):

MSB LSB

-- WDTS IP0.5 IP0.4 IP0.3 IP0.2 IP0.1 IP0.0

Table 29: The IP0 Register (see also Table 45)

Bit

Symbol

Function

IP0.6

WDTS

Watchdog timer status flag. Set when the watchdog timer was started. Can be

read by software.

Table 30: The IP0 bit Functions (see also Table 45)

Note: The remaining bits in the IP0 register are not used for watchdog control

Watchdog Timer Reload Register (WDTREL):

MSB LSB

7 6 5 4 3 2 1 0

Table 31: The WDTREL Register

Bit

Symbol

Function

WDTREL.7 7

Prescaler select bit. When set, the watchdog is clocked through an additional

divide-by-16 prescaler

WDTREL.6

WDTREL.0

6-0

Seven bit reload value for the high-byte of the watchdog timer. This value is

loaded to the WDT when a refresh is triggered by a consecutive setting of bits

WDT and SWDT.

Table 32: The WDTREL Bit Functions

The WDTREL register can be loaded and read at any time.