maxq7666batm Maxim Integrated Products, Inc., maxq7666batm Datasheet - Page 10

• Manufacturer Part Number: maxq7666batm
• Description: 16-bit, Risc, Microcontroller-based, Smart Data-acquisition System
• Manufacturer: Maxim Integrated Products, Inc.

16-Bit, RISC, Microcontroller-Based,
Smart Data-Acquisition System
ELECTRICAL CHARACTERISTICS (continued)
(AV
Typical values are at T
10
Crystal Oscillator Startup Time
External Clock Input Duty Cycle
Crystal Oscillator Stability
XIN Input Load Capacitance
XOUT Output Load Capacitance
Crystal Oscillator Drive Strength
XIN Input Low Voltage
XIN Input High Voltage
INTERNAL RC OSCILLATOR
Oscillator Frequency
Oscillator Startup Time
Oscillator Jitter
UART (LIN) INTERFACE (UTX, URX)
UART Baud Rate
Minimum LIN Mode Operation
Maximum LIN Mode Operation
UART Baud Rates Error
RESET (RESET)
RESET Internal Pullup Resistance
RESET Output Voltage
RESET Input High Voltage
RESET Input Low Voltage
DD
_______________________________________________________________________________________
= DV
PARAMETER
DDIO
= +5.0V, DV
A
= +25°C.) (Note 1)
DD
= +3.3V, f
SYMBOL
SYSCLK
8MHz crystal
Ratio high-to-low or low-to-high
Excluding crystal
HFIC = 00b (default)
HFIC = 01b
HFIC = 10b
HFIC = 11b
HFIC = 00b (default)
HFIC = 01b
HFIC = 10b
HFIC = 11b
HFOC = 00b (default), ESR = 240Ω
HFOC = 01b, ESR = 240Ω
HFOC = 10b, ESR = 240Ω
HFOC = 11b, ESR = 240Ω
Driven with external clock source
Driven with external clock source
Crystal clock source
U si ng i nter nal RC osci l l ator b efor e autob aud
Using internal RC oscillator after autobaud
Pullup to DV
High, RESET deasserted, no load
Low, RESET asserted, no load
= 8MHz, V
DD
REFDAC
CONDITIONS
= V
REFADC
= +5V, T
A
= T
MIN
DV
DV
DV
0.7 x
-14.0
0.9 x
0.7 x
MIN
-0.5
-0.5
7.0
45
20
DD
DD
DD
to T
MAX
TYP
305
7.6
2.7
10
18
27
34
18
27
34
62
95
13
23
10
3
7
7
, unless otherwise noted.
DV
+14.0
DV
MAX
0.3 x
0.3 x
+0.5
+0.5
8.0
0.4
55
2
1
DD
DD
UNITS
ppm/V
Mbps
kbps
kbps
MHz
µW
ms
pF
pF
kΩ
µs
ns
%
%
V
V
V
V
V