MM908E621_08 FREESCALE [Freescale Semiconductor, Inc], MM908E621_08 Datasheet - Page 55

• Manufacturer Part Number: MM908E621_08
• Description: Integrated Quad Half-bridge and Triple High Side with Embedded MCU and LIN for High End Mirror
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

.
necessary setups.
EMC/EMI RECOMMENDATIONS
recommendations to improve EMC/EMI performance.
Further generic design recommendations can be found on
the Freescale web site www.freescale.com.
Analog Integrated Circuit Device Data
Freescale Semiconductor
Notes
RS232
Monitor
Monitor
Normal
Forced
2
3
5
Mode
33.
34.
35.
36.
37.
DB-9
Table
User
This paragraph gives some device specific
PTA0 must have a pullup resistor to V
External clock is a 4.9152MHz, 9.8304MHz or 19.6608MHz canned oscillator on OCS1
Communication speed with external clock is depending on external clock value. Baud rate is bus frequency / 256
X = don’t care
V
TST
20
1µF
1µF
V
GND
IRQ RST
V
V
TST
DD
DD
summarizes the possible configurations and the
is a high voltage V
+
+
V
V
V
1
3
4
5
7
8
DD
DD
DD
C1+
C1-
C2+
C2-
T2
R2
OUT
IN
TESTMODE
MAX232
1
1
0
R2
DD
GND
T2
V
OUT
V+
V-
CC
IN
+ 3.5V
not $FFFF
(not blank)
16
15
2
6
10
9
Vector
Reset
$FFFF
(blank)
V
2
74HC125
X
DD
+
+
1
1µF
1µF
≤
Table 20. Monitor Mode Signal Requirements and Options
V
3
DD
TST
Communication
+
Figure 31. Normal Monitor Mode Circuit
PTA0
1µF
6
in monitor mode
1
1
X
74HC125
≤
V
SUP
Serial
V
4
DD
5
PTA1
+ 4.5V
0
0
X
V
DD
10k
PTB3
Selection
0
X
X
47µF
Mode
V
TST
9.8304MHz CLOCK
PTB4
VSUP Pins (VSUP[1:8])
decoupling capacitor close to the VSUP pins to improve
EMC/EMI behavior.
+
X
X
1
It is recommended to place a high quality ceramic
100nF
ICG
OFF
OFF
ON
ON
DATA
CLK
disabled
disabled
disabled
enabled
COP
VSUP[1:8]
GND[1:4]
RST
RST_A
IRQ
IRQ_A
PTC4/OSC1
PTA0/KBD0
Time-out
Request
Normal
disabled
disabled
disabled
enabled
MM908E621
External
VDDA/VREFH
Clock
9.8304
VSSA/VREFL
9.8304
TESTMODE
MHz
MHz
PTA1/KBD1
Communication Speed
PTB4/AD4
PTB3/AD3
—
—
TYPICAL APPLICATIONS
EVDD
EVSS
VDD
VSS
Frequency
Nominal
Nominal
1.6MHz
1.6MHz
2.4576
2.4576
MHz
MHz
100nF
Bus
10k
10k
10k
10k
V
DD
Nominal
Nominal
V
908E621
Baud
Rate
DD
9600
9600
6300
6300
4.7µF
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