MAXQ61CA MAXIM [Maxim Integrated Products], MAXQ61CA Datasheet - Page 6

• Manufacturer Part Number: MAXQ61CA
• Description: 16-Bit Microcontroller with Infrared Module
• Manufacturer: MAXIM [Maxim Integrated Products]

SPI ELECTRICAL CHARACTERISTICS
(V
Note 1: Specifications to 0NC are guaranteed by design and are not production tested. Typical = +25NC, V
Note 2: The power-fail reset and POR detectors are designed to operate in tandem to ensure that one or both of these signals
Note 3: Guaranteed by design and not production tested.
Note 4: Measured on the V
Note 5: The power-check interval (PCI) can be set to always on, or to 1024, 2048, or 4096 nanopower ring clock cycles.
Note 6: Current consumption during POR when powering up while V
Note 7: The minimum amount of time that V
Note 8: The maximum total current, I
Note 9: AC electrical specifications are guaranteed by design and are not production tested.
16-Bit Microcontroller with Infrared Module
6
SPI Master Operating Frequency
SPI Slave Operating Frequency
SPI I/O Rise/Fall Time
SCLK Output Pulse-Width High/
Low
MOSI Output Hold Time After
SCLK Sample Edge
MOSI Output Valid to Sample
Edge
MISO Input Valid to SCLK Sample
Edge Rise/Fall Setup
MISO Input to SCLK Sample Edge
Rise/Fall Hold
SCLK Inactive to MOSI Inactive
SCLK Input Pulse-Width High/Low
SSEL Active to First Shift Edge
MOSI Input to SCLK Sample Edge
Rise/Fall Setup
MOSI Input from SCLK Sample
Edge Transition Hold
MISO Output Valid After SCLK
Shift Edge Transition
SSEL Inactive
SCLK Inactive to SSEL Rising
MISO Output Disabled After SSEL
Edge Rise
DD
______________________________________________________________________________________
= V
RST
otherwise noted.
is active at all times when V
achieved.
sink any current. The device is executing code from ROM memory.
User’s Guide for details.
maximum specified voltage drop. This does not include the IRTX output.
PARAMETER
to 3.6V, T
A
= 0NC to +70NC, unless otherwise noted.) (Note 9)
DD
pin and the device not in reset. All inputs are connected to GND or V
DD
OH(MAX)
t
SYMBOL
SCH
t
1/t
1/t
SPI_RF
t
< V
t
t
t
t
MCH
t
t
t
t
t
MOH
t
MCL
MOV
MLH
t
t
SOV
SSH
t
MIH
SSE
SLH
MIS
SIS
SIH
SD
MCK
SCK
, t
RST
DD
SCL
,
and I
, ensuring the device maintains the reset state until minimum operating voltage is
must be below V
C
L
OL(MAX)
= 15pF, pullup = 560W
CONDITIONS
, for all listed outputs combined should not exceed 32mA to satisfy the
PFW
DD
before a power-fail event is detected; refer to the MAXQ610
is less than the POR release voltage.
t
t
t
t
MCK
t
MCK
t
MCK
t
MCK
t
t
t
t
t
t
SPI_RF
SPI_RF
SPI_RF
SPI_RF
SPI_RF
SPI_RF
SPI_RF
SPI_RF
SPI_RF
t
CK
MIN
8.3
25
0
/2 -
/2 -
/2 -
/2 -
+
t
SCK
TYP
DD
. Outputs do not source/
/2
DD
2t
2t
= +3.3V, unless
2t
f
f
MAX
23.6
SPI_RF
SPI_RF
CK
CK
CK
/2
/4
+
UNITS
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns