TDA4VM datasheet(131/331 Pages) TI

131 / 331 page

Table 5-122. System0 Signal Descriptions (continued)

SIGNAL NAME [1]

DESCRIPTION [2]

PIN TYPE

[3]

BALL [4]

MCU_EXT_REFCLK0

External system clock input

H26

MCU_OBSCLK0

Observation clock output for test and debug purposes

only

H27

MCU_PORz

MCU Domain cold reset

H23

MCU_PORz_OUT

MCU Domain POR status output

B28

MCU_RESETSTATz

MCU Domain warm reset status output

C27

MCU_RESETz

MCU Domain warm reset

D28

MCU_SAFETY_ERRORn

Error signal output from MCU Domain ESM

D27

MCU_SYSCLKOUT0

MCU Domain system clock output for test and debug

purposes only

H26

PORz

MAIN Domain cold reset

J24

RESET_REQz

MAIN Domain external warm reset request input

C28

PMIC_POWER_EN0

Pin name retained for legacy purposes, not used for

power enable

E26

PMIC_POWER_EN1

Power enable output for MAIN Domain supplies

G23

5.3.32.4 EFUSE

Table 5-123. EFUSE Signal Description

SIGNAL NAME [1]

DESCRIPTION [2]

PIN TYPE

[3]

BALL [4]

VPP_CORE

(1)

Programming voltage for MAIN Domain efuses

PWR

AB11

VPP_MCU

(1)

Programming voltage for MCU Domain efuses

PWR

F17

(1)

This signal is valid only for High-Security devices. For more details, see Section 6.7, VPP Specification for One-Time Programmable

(OTP) eFUSEs. For General-Purpose devices do not connect any signal, test point, or board trace to this signal.

5.3.33 Power Supply

Note

All power balls must be supplied with the voltages specified in Section 6.4, Recommended Operating

Conditions, unless otherwise specified in Section 5.3, Signal Descriptions.

Table 5-124. Power Supply Signal Description

SIGNAL NAME [1]

DESCRIPTION [2]

PIN TYPE

[3]

BALL [4]

CAP_VDDS0

(1)