MAXQ7666BATM+ MAXIM [Maxim Integrated Products], MAXQ7666BATM+ Datasheet - Page 9

• Manufacturer Part Number: MAXQ7666BATM+
• Description: 16-Bit, RISC, Microcontroller-Based, Smart Data-Acquisition System
• Manufacturer: MAXIM [Maxim Integrated Products]

ELECTRICAL CHARACTERISTICS (continued)
(AV
Typical values are at T
SUPPLY VOLTAGE SUPERVISORS AND BROWNOUT DETECTION
DV
Rising Threshold
DV
Brownout Reset Falling Threshold
Software-Selectable DV
Voltage-Supervisor Brownout
Interrupt Falling Threshold
DV
Brownout Interrupt Threshold
Voltage-Supervisor Hysteresis
DV
Brownout Reset Falling Threshold
Voltage Monitor Supply Voltage
Range
DV
RESET Hold Time
CAN INTERFACE
CAN Baud Rate
CANCLK Mean Frequency Error
CANCLK Total Frequency Error
HIGH-FREQUENCY CRYSTAL OSCILLATOR
Clock Frequency
DD
DD
DD
DDIO
DD
DD
= DV
Voltage-Supervisor Reset
Voltage-Supervisor
Brownout-Interrupt to
Ramp-Up Rate
Voltage-Supervisor
PARAMETER
DDIO
= +5.0V, DV
_______________________________________________________________________________________
A
= +25°C.) (Note 1)
DD
DD
16-Bit, RISC, Microcontroller-Based,
= +3.3V, f
SYMBOL
V
V
V
VDBR
VIOBI
VDBI
SYSCLK
Smart Data-Acquisition System
Power-on default, DV
(Note 8)
DV
firmware selectable,
measured with CPU
active at 8MHz
(Note 9)
DV
firmware selectable,
measured with CPU
active at 8MHz
(Note 10)
DV
firmware selectable,
measured with CPU
active at 8MHz
(Note 11)
DV
Voltage difference between V
V
before RESET asserted, VDBI = 11b and
VDBR = 10b
DV
Ensure DV
between +2.7V and +3.0V when using
either an external DV
internal linear regulator
After DV
trip threshold
CANCLK = 8MHz
50ppm external crystal error, 8MHz crystal
50ppm external crystal error, 8MHz crystal,
clock divided and measured over 500µs
interval, mean plus peak cycle jitter
Using external crystal
External clock source
VDBR
= 8MHz, V
DD
DD
DDIO
DD
DD
, DV
voltage falling,
voltage falling,
, time allowing software clean-up
DD
voltage falling,
DDIO
DD
rises above the V
REFDAC
rises faster than this rate
CONDITIONS
= V
DD
DD
supply or the
REFADC
voltage rising
VDBR = 00b
(default)
VDBR = 01b
VDBR = 10b
VDBR = 11b
VDBI = 00b
(default)
VDBI = 01b
VDBI = 10b
VDBI = 11b
VIOBI = 00b
(default)
VIOBI = 01b
VIOBI = 10b
VIOBI = 11b
VDBR
VDBI
= +5V, T
and
voltage
A
= T
MIN
2.70
2.70
2.77
2.84
2.91
2.77
2.84
2.91
2.99
4.25
4.30
4.35
4.40
MIN
155
1.0
7.6
7.6
35
to T
MAX
< 0.5
TYP
60
10
, unless otherwise noted.
1
MAX
2.99
2.99
3.06
3.13
3.20
2.99
3.13
3.20
3.27
4.74
4.79
4.84
4.89
8.12
8.12
3.6
1
mV/ms
UNITS
Mbps
ppm
MHz
mV
ms
%
%
V
V
V
V
V
9