MAXQ610A-0000+ Maxim Integrated Products, MAXQ610A-0000+ Datasheet - Page 23

• Manufacturer Part Number: MAXQ610A-0000+
• Description: IC MCU 16BIT 64K IR MOD 32TQFN
• Manufacturer: Maxim Integrated Products
• Series: MAXQ™r

Specifications of MAXQ610A-0000+

• Core Processor: RISC
• Core Size: 16-Bit
• Speed: 12MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, Infrared, Power-Fail, POR, WDT
• Number Of I /o: 20
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-TQFN Exposed Pad
• Processor Series: MAXQ610
• Core: RISC
• Data Bus Width: 16 bit
• Data Ram Size: 2 KB
• Interface Type: SPI, USART
• Maximum Clock Frequency: 12 MHz
• Number Of Timers: 4
• Operating Supply Voltage: 1.7 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Controller Family/series: MAXQ
• No. Of I/o's: 24
• Ram Memory Size: 2048Byte
• Cpu Speed: 12MHz
• No. Of Timers: 2
• Embedded Interface Type: JTAG, SPI, USART
• Rohs Compliant: Yes
• Number Of Programmable I/os: 32
• Development Tools By Supplier: MAXQ610-KIT
• Package: 32TQFN EP
• Family Name: MAXQ
• Maximum Speed: 12 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 90-M6800+B01

Figure 12. Stop Mode Power-Fail Detection States with Power-Fail Monitor Enabled
Table 5. Stop Mode Power-Fail Detection States with Power-Fail Monitor Enabled
STATE
A
B
C
D
E
F
INTERNAL RESET
(ACTIVE HIGH)
POWER-FAIL
(Periodically)
V
V
V
16-Bit Microcontroller with Infrared Module
PFW
POR
RST
STOP
On
On
On
On
On
Off
V
______________________________________________________________________________________
DD
A
REGULATOR
INTERNAL
Off
Off
On
Off
Off
Off
B
t < t
PFW
OSCILLATOR
CRYSTAL
t ≥ t
Off
Off
On
Off
Off
Off
PFW
C
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 is turned on periodically.
V
Device held in reset. No operation allowed.
DD
RST
DD
POR
DD
> V
> V
< V
< V
< V
RST.
RST.
POR.
DD
DD
< V
< V
D
PFW.
RST.
COMMENTS
XTAL_RDY
t ≥ t
PFW
.
E
F
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