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Ultra-Low-Power Arm® Cortex®-A5 Core-Based MPU, Graphics Interface, Ethernet 10/100, IEEE®1588, CAN-FD, USB, AEC-Q100 Grade 2

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51 Secure Digital MultiMedia Card Controller (SDMMC)
51.7 Product Dependencies
51.7.2 Power Management

Description
Features
1 Configuration Summary
2 Block Diagram
3 Signal Description
4 Microchip Recommended Power Management Solutions
5 Automotive Quality Grade
6 Safety and Security Features
7 Pinout
8 Power Considerations
9 Memories
10 Event System
11 System Controller
12 Peripherals
13 Chip Identifier (CHIPID)
14 Cortex-A5 Processor (ARM)
15 L2 Cache Controller (L2CC)
16 Debug and Test Features
17 Standard Boot Strategies
18 CPU System Bus Matrix (CPUMX)
19 Matrix (H64MX/H32MX)
20 Special Function Registers (SFR)
21 Special Function Registers Backup (SFRBU)
22 Advanced Interrupt Controller (AIC)
23 Watchdog Timer (WDT)
24 Reset Controller (RSTC)
25 Shutdown Controller (SHDWC)
26 Periodic Interval Timer (PIT)
27 Real-time Clock (RTC)
28 System Controller Write Protection (SYSCWP)
29 Slow Clock Controller (SCKC)
30 Peripheral Touch Controller (PTC)
31 Low Power Asynchronous Receiver (RXLP)
32 Clock Generator
33 Power Management Controller (PMC)
34 Parallel Input/Output Controller (PIO)
35 External Memories
36 DDR-SDRAM Controller (MPDDRC)
37 Static Memory Controller (SMC)
38 DMA Controller (XDMAC)
39 LCD Controller (LCDC)
40 Ethernet MAC (GMAC)
41 USB Device High Speed Port (UDPHS)
42 USB Host High Speed Port (UHPHS)
43 Audio Class D Amplifier (CLASSD)
44 Inter-IC Sound Controller (I2SC)
45 Synchronous Serial Controller (SSC)
46 Two-wire Interface (TWIHS)
47 Flexible Serial Communication Controller (FLEXCOM)
48 Universal Asynchronous Receiver Transmitter (UART)
49 Serial Peripheral Interface (SPI)
50 Quad Serial Peripheral Interface (QSPI)
51 Secure Digital MultiMedia Card Controller (SDMMC)
52 Image Sensor Controller (ISC)
53 Controller Area Network (MCAN)
54 Timer Counter (TC)
55 Pulse Density Modulation Interface Controller (PDMIC)
56 Pulse Width Modulation Controller (PWM)
57 Secure Fuse Controller (SFC)
58 Integrity Check Monitor (ICM)
59 Advanced Encryption Standard Bridge (AESB)
60 Advanced Encryption Standard (AES)
61 Secure Hash Algorithm (SHA)
62 Triple Data Encryption Standard (TDES)
63 True Random Number Generator (TRNG)
64 Analog Comparator Controller (ACC)
65 Security Module (SECUMOD)
66 Analog-to-Digital Controller (ADC)
67 Electrical Characteristics
68 Mechanical Characteristics
69 Marking
70 Ordering Information
71 Revision History
Microchip Information

51.7.2 Power Management

The SDMMC is clocked through the Power Management Controller (PMC), so the programmer must first configure the PMC to enable the SDMMC clocks.

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