MFS5600AMBA0ES datasheet(73/111 Pages) NXP

73 / 111 page

NXP Semiconductors

FS5600

Automotive buck regulator and controller with voltage monitors and watchdog timer

Bit

Symbol

Description

3 to 0

WD_ERR_CNT[3:0]

Watchdog error counter value

4b'0000 — Counter Value = 0.

4b'0001 — Counter Value = 1.

4b'0010 — Counter Value = 2.

4b'0011 — Counter Value = 3.

4b'0100 — Counter Value = 4.

4b'0101 — Counter Value = 5.

4b'0110 — Counter Value = 6.

4b'0111 — Counter Value = 7.

4b'1000 — Counter Value = 8.

4b'1001 — Counter Value = 9.

4b'1010 — Counter Value = 10.

4b'1011 — Counter Value = 11.

4b'1100 — Counter Value = 12.

4b'1101 — Counter Value = 13.

4b'1110 — Counter Value = 14.

4b'1111 — Counter Value = 15.

Reset Condition — POR

Table 64. WATCHDOG_CTRL1 register description...continued

18.1.10 NOT_WATCHDOG_CTRL1 register

Bit

Symbol

Description

15 to 14

NOT_WD_ERR_LIMIT[1:0]

Watchdog error counter limit.

2b'00 — See WD_ERR_LIMIT[1:0] in WATCHDOG_CTRL1 register.

2b'01 — See WD_ERR_LIMIT[1:0] in WATCHDOG_CTRL1 register.

2b'10 — See WD_ERR_LIMIT[1:0] in WATCHDOG_CTRL1 register.

2b'11 — See WD_ERR_LIMIT[1:0] in WATCHDOG_CTRL1 register.

Reset Condition — POR

12 to 11

NOT_WD_RFR_LIMIT[1:0]

Watchdog refresh counter limit.

2b'00 — See WD_RFR_LIIMIT[1:0] in WATCHDOG_CTRL1 register.

2b'01 — See WD_RFR_LIIMIT[1:0] in WATCHDOG_CTRL1 register.

2b'10 — See WD_RFR_LIIMIT[1:0] in WATCHDOG_CTRL1 register.

2b'11 — See WD_RFR_LIIMIT[1:0] in WATCHDOG_CTRL1 register.

Reset Condition — POR

9 to 8

NOT_WD_FAIL_IMPACT[1:0]

Watchdog fail impact.

2b'00 — See WD_FAIL_IMPACT[1:0] in WATCHDOG_CTRL1

2b'01 — See WD_FAIL_IMPACT[1:0] in WATCHDOG_CTRL1

2b'10 — See WD_FAIL_IMPACT[1:0] in WATCHDOG_CTRL1

2b'11 — See WD_FAIL_IMPACT[1:0] in WATCHDOG_CTRL1

Reset Condition — POR

Table 65. NOT_WATCHDOG_CTRL1 register description

FS5600

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 3 — 2 August 2022

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