LQFP176 datasheet(12/133 Pages) STMICROELECTRONICS

12 / 133 page

Block diagram

SPC560B54x/6x

12/133

DocID15131 Rev 9

Mode entry module (MC_ME)

Provides a mechanism for controlling the device operational mode and mode

transition sequences in all functional states; also manages the power control unit,

reset generation module and clock generation module, and holds the

configuration, control and status registers accessible for applications

Non-maskable interrupt (NMI)

Handles external events that must produce an immediate response, such as

power down detection

Periodic interrupt timer (PIT)

Produces periodic interrupts and triggers

Power control unit (MC_PCU)

Reduces the overall power consumption by disconnecting parts of the device

from the power supply via a power switching device; device components are

grouped into sections called “power domains” which are controlled by the PCU

Real-time counter (RTC)

A free running counter used for time keeping applications, the RTC can be

configured to generate an interrupt at a predefined interval independent of the

mode of operation (run mode or low-power mode)

Reset generation module

(MC_RGM)

Centralizes reset sources and manages the device reset sequence of the device

Static random-access memory

(SRAM)

Provides storage for program code, constants, and variables

System integration unit lite

(SIUL)

Provides control over all the electrical pad controls and up 32 ports with 16 bits of

bidirectional, general-purpose input and output signals and supports up to 32

external interrupts with trigger event configuration

System status and configuration

module (SSCM)

Provides system configuration and status data (such as memory size and status,

device mode and security status), device identification data, debug status port

enable and selection, and bus and peripheral abort enable/disable

System timer module (STM)

Provides a set of output compare events to support AUTOSAR (Automotive

Open System Architecture) and operating system tasks

Software watchdog timer (SWT) Provides protection from runaway code

Wakeup unit (WKPU)

The wakeup unit supports up to 27 external sources that can generate interrupts

or wakeup events, of which 1 can cause non-maskable interrupt requests or

wakeup events.

Table 3. SPC560B54/6x series block summary (continued)

Block

Function

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