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PDF MAX32621 Data sheet ( Hoja de datos )
| Número de pieza | MAX32621 | |
| Descripción | Ultra-Low Power Cortex-M4F Microcontroller | |
| Fabricantes | Maxim Integrated | |
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MAX32620/MAX32621
High-Performance, Ultra-Low Power Cortex-M4F
Microcontroller for Rechargeable Devices
General Description
The MAX32620/MAX32621 is a 32-bit RISC ARM®
Cortex®-M4F (M4 plus Floating Point Unit) microcon-
troller. It is ideally suited for the emerging category of
medical and fitness applications. The architecture com-
bines high-efficiency, signal-processing functionality with
low cost, and ease of use. The device features 4 powerful
& flexible power modes. Built-in dynamic clock gating and
firmware controlled power gating minimize power con-
sumption for any application. Multiple SPI, UART, and I2C
serial interfaces, as well as a 1-Wire® master and USB,
allow for interconnection to a wide variety of external sen-
sors. A four-input, 10-bit ADC with selectable references
is provided.
The MAX32621 is a secure version of the MAX32620,
incorporating a trust protection unit (TPU) with encryption
and advanced security features.
Applications
●● Sport Watches
●● Fitness Monitors
●● Wearable Medical Patches
●● Portable Medical Devices
●● Sensor Hub
Benefits and Features
●● High-Efficiency Microcontroller for Rechargeable
Devices
• Internal Oscillator Operates Up to 96MHz
• Floating Point Unit
• Memory Protection Unit
• 2MB Flash Memory
• 256KB SRAM
• 8KB Instruction Cache
• 1.2V ±5% Core Supply Voltage
• 1.8V ±5% I/O and Analog Supply Voltage
• Optional 3.3V ±5% USB Supply Voltage
●● Tiny 81-Ball WLP Minimizes Board Space (3.9mm x
3.9 mm WLP, 0.4 mm Pitch)
●● Power Management Maximizes Uptime for Battery
Applications
• 95µA/MHz Active Executing from Flash
• 600nA Low Power (LP0) Mode with RTC Enabled
• 2.5µA Ultra-Low Power Data Retention Mode (LP1)
with Fast 5µs (typ) Wakeup to 96MHz
• Peripheral Management Unit (PMU) Reduces
Power Consumption in Measurement Mode (LP2)
●● Optimal Peripheral Mix Provides Platform Scalability
• Three SPI Masters, Four UARTs, Three I2C Mas-
ters, and One 1-Wire Master
• 49 General-Purpose I/O Pins
• SPI Execute in Place Engine for Memory Expan-
sion with Minimal Footprint
• Full-Speed USB 2.0 with Internal Transceiver
• Sixteen Pulse Train Engines
• Four-Input, 10-Bit Sigma-Delta ADC Operating at
7.8 kS/s
●● Trust Protection Unit (TPU) Secures Valuable IP and
Data (MAX32621 Only)
• Robust Hardware Internal Security
• High-Speed Modular Arithmetic Accelerator (MAA)
Supports Fast ECDSA
• AES Hardware Engine
• Hardware PRNG Entropy Generator
• Secure Boot Loader
Ordering Information, and Additional Features appear at
end of data sheet.
ARM is a registered trademark and registered service mark and Cortex is a registered trademark of ARM Limited.
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
19-7679; Rev 0; 6/15
1 page  
MAX32620/MAX32621
High-Performance, Ultra-Low Power Cortex-M4F
Microcontroller for Rechargeable Devices
Electrical Characteristics (continued)
(Limits are tested at TA = +20°C and TA = +85°C. Limits over the operating temperature range and relevant supply voltage range are
guaranteed by design and characterization. Specifications marked GBD are guaranteed by design and not production tested.)
PARAMETER
RTC Input Frequency
RTC Power Up Time
GENERAL PURPOSE I/O
Input Low Voltage for RSTN,
SRSTN, and All Port Pins
Input High Voltage for RSTN,
SRSTN, and All Port Pins
Input Hysteresis (Schmitt)
Output Low Voltage for All
Port Pins
Combined IOL, All GPIO
Output High Voltage for All
Port Pins
Combined IOH, All GPIO
Input/Output Pin Capacitance
for All Port Pins
Input Leakage Current Low
Input Leakage Current High
Input Pullup Resistor RSTN,
SRSTN, TMS, TCK, TDI
Input Pullup/Pulldown All
GPIO
FLASH MEMORY
Page Size
Flash Erase Time
Flash Programming Time Per
Word
Flash Endurance
Data Retention
SYMBOL
f32KIN
tRTC_ ON
CONDITIONS
32kHz watch crystal (6pF)
VIL
VIH
VIHYS
VOL
IOL_TOTAL
IOL = 4mA (normal drive)
IOL = 24mA (high drive)
VOH
IOH = -2mA (normal drive)
IOH = -8mA (high drive)
IOH_TOTAL
CIO
IIL
IIH
IOFF
IIH3V
VDD18 = 1.89V VIN = 0V,
internal pullup disabled
VDD18 = 1.89V, VIN = 1.89V,
internal pulldown disabled
VDD18 = 0V, VIN < 1.89V
VDD18 = 1.71V, VIN = 3.60V
RPU
Normal resistance mode
RPU_GPIO Highest resistance mode
tM_ERASE
tP_ERASE
tPROG
Mass erase
Page erase
tRET
TA = +85°C
MIN TYP MAX UNITS
32.768
kHz
250 ms
0.3 x
VDD18
0.7 x
VDD18
100
0.2 0.4
0.2 0.4
48
VDD18
- 0.4
VDD18
- 0.4
48
5
V
V
mV
V
V
mA
V
V
mA
pF
-100
+100
nA
-100
-1
-1
+100
nA
+1 µA
+1 µA
25 kΩ
25 kΩ
1 MΩ
8
30
30
60
10
10
kB
ms
ms
µs
kcycles
years
www.maximintegrated.com
Maxim Integrated │ 5
5 Page 
MAX32620/MAX32621
High-Performance, Ultra-Low Power Cortex-M4F
Microcontroller for Rechargeable Devices
Pin Description (continued)
PIN
TQFP
RESET
WLP
NAME
22 B2 RSTN
FUNCTION
Hardware Reset, Active-Low Input. The device remains in reset while this pin is in
its active state. When the pin transitions to its inactive state, the device performs a
POR reset (resetting all logic on all supplies except for real-time clock circuitry) and
begins execution. This pin has an internal 25kΩ pullup to the VRTC supply. This pin
should be left unconnected if the system design does not provide a reset signal to
the device.
Software Reset, Active-Low Input/Output. The device remains in software reset
while this pin is in its active state. When the pin transitions to its inactive state, the
device performs a reset to the ARM core, digital registers and peripherals (resetting
most of the core logic on the VDD12 supply). This reset does not affect the POR only
registers, RTC logic, ARM debug engine or JTAG debugger allowing for a soft reset
without having to reconfiguring all registers.
23 B1 SRSTN
After the device senses SRSTN as a logic 0, the pin automatically reconfigures
as an output sourcing a logic 0. The device continues to output for 6 system clock
cycles and then repeats the input sensing/output driving until SRSTN is sensed
inactive. This pin is internally connected with an internal 25kΩ pullup to the VRTC
supply. This pin should be left unconnected if the system design does not provide a
reset signal to the device.
GENERAL-PURPOSE I/O AND SPECIAL FUNCTIONS
21 C2 P0.0
20 C1 P0.1
19 D4 P0.2
18
D3
P0.3
General-Purpose I/O, Port 0. Most port pins have multiple special functions. See
17
D1
P0.4
Table 1 for details.
16 D2 P0.5
15 E3 P0.6
14 E2 P0.7
12 E1 P1.0
11 E4 P1.1
10 F3 P1.2
9
F2
P1.3
General-Purpose I/O, Port 1. Most port pins have multiple special functions. See
6
F4
P1.4
Table 1 for details.
5 E5 P1.5
4 G2 P1.6
99 G3 P1.7
www.maximintegrated.com
Maxim Integrated │ 11
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet MAX32621.PDF ] | |
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