MAXQ622G-0000+ Maxim Integrated Products, MAXQ622G-0000+ Datasheet - Page 27

IC MCU 16BIT 64K IR MOD 64LQFP

MAXQ622G-0000+

Manufacturer Part Number
MAXQ622G-0000+
Description
IC MCU 16BIT 64K IR MOD 64LQFP
Manufacturer
Maxim Integrated Products
Series
MAXQ™r
Datasheet

Specifications of MAXQ622G-0000+

Core Processor
RISC
Core Size
16-Bit
Speed
12MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, Infrared, Power-Fail, POR, WDT
Number Of I /o
44
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
1.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
64-LQFP
Processor Series
MAXQ622
Core
RISC
Data Bus Width
16 bit
Data Ram Size
6 KB
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
12 MHz
Number Of Programmable I/os
44
Number Of Timers
2
Operating Supply Voltage
1.7 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
MAXQUSBJTAG-KIT MAXQ622-KIT
Minimum Operating Temperature
0 C
For Use With
MAXQ622-KIT# - EVALUATION KIT FOR MAXQ622
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
 Details
Figure 6. Stop Mode Power-Fail Detection States with Power-Fail Monitor Enabled
Table 6. Stop Mode Power-Fail Detection States with Power-Fail Monitor Enabled
STATE
A
B
C
D
E
F
INTERNAL RESET
(ACTIVE HIGH)
POWER-FAIL
V
(Periodically)
V
V
PFW
POR
RST
STOP
On
On
On
On
On
Off
______________________________________________________________________________________
V
DD
A
REGULATOR
INTERNAL
B
Infrared Module and Optional USB
Off
Off
On
Off
Off
Off
t < t
PFW
OSCILLATOR
t ≥ t
CRYSTAL
PFW
16-Bit Microcontrollers with
C
Off
Off
On
Off
Off
Off
RETENTION
SRAM
Yes
Yes
Yes
Yes
Yes
Application enters stop mode.
V
CPU in stop mode.
Power drop too short.
Power-fail not detected.
V
Power-fail warning detected.
Turn on regulator and crystal.
Crystal warmup time, t
Exit stop mode.
Application enters stop mode.
V
CPU in stop mode.
V
Power-fail detected.
CPU goes into reset.
Power-fail monitor turns on periodically.
V
Device held in reset. No operation allowed.
DD
RST
DD
POR
DD
> V
> V
< V
D
< V
< V
RST
RST
POR
DD
DD
.
.
.
< V
< V
COMMENTS
PFW
t ≥ t
RST
PFW
.
.
XTAL_RDY
E
F
.
27

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