ADE7169F16 datasheet(83/140 Pages) AD

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Preliminary Technical Data

ADE7169F16

Rev. PrD | Page 83 of 140

0xA8

EX0

Set by the user to enable External Interrupt 0 (

Table 63. Interrupt priority SFR (IP, 0xB8)

Bit Location

Bit

Addr.

Bit Name

Description

0xBF

PADE

ADE Energy Measurement Interrupt Priority (1 = High; 0 =

Low).

0xBE

PTEMP

Temperature ADC Interrupt Priority (1 = High; 0 = Low).

0xBD

PT2

Timer 2 Interrupt Priority (1 = High; 0 = Low).

0xBC

UART Serial Port Interrupt Priority (1 = High; 0 = Low).

0xBB

PT1

Timer 1 Interrupt Priority (1 = High; 0 = Low).

0xBA

PX1

INT1 (External Interrupt 1) priority (1 = High; 0 = Low).

0xB9

PT0

Timer 0 Interrupt Priority (1 = High; 0 = Low).

0xB8

PX0

INT0 (External Interrupt 0) Priority (1 = High; 0 = Low).

Table 64. Interrupt Enable and Priority 2 SFR (IEIP2, 0xA9)

Bit

Location

Bit

Mnemonic

Description

PTI

RTC Interrupt Priority (1 = High; 0 = Low).

PSI

SPI/I2C Interrupt Priority (1 = High; 0 = Low).

EADE

Set by the user to enable the Energy Metering Interrupt (ADE)

ETI

Set by the user to enable the RTC Interval Timer interrupt.

EPSM

Set by the user to enable the PSM Power Supply Management interrupt.

ESI

Set by the user to enable the SPI/I2C interrupt.

Table 65. WatchDog Timer SFR (WDCON, 0xC0)

Bit

Location

Bit

Addr.

Bit

Name

Default

Value

Description

7-4

0xC7 –

0xC4

PRE[3:0]

Watchdog pre-scaler. In normal mode, the 16-bit watchdog timer is clocked by the

input clock (32.768kHz). The PRE bits set which of the upper bits of the counter are

used as the watchdog output following:

CLKIN

PRE

watchdog

[3:0]

Watchdog Timeout

0000

15.6ms

0001

31.2ms

0010

62.5ms

0011

125ms

0100

250ms

0101

500ms

0110

0111

1000

Automatic Reset

1001

Serial download reset

1010 to 1111

Not a valid selection

0xC3

WDIR

Watchdog interrupt response bit.

When clear, watchdog will generate a system reset when the watchdog time out

period has expired

When set, the watchdog will generate a interrupt when the watchdog time out

period has expired.

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