MC68376BGMAB20 Freescale Semiconductor, MC68376BGMAB20 Datasheet - Page 121
MC68376BGMAB20
Manufacturer Part Number
MC68376BGMAB20
Description
IC MCU 32BIT 8K ROM 160-QFP
Manufacturer
Freescale Semiconductor
Series
M683xxr
Specifications of MC68376BGMAB20
Core Processor
CPU32
Core Size
32-Bit
Speed
20MHz
Connectivity
CAN, EBI/EMI, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
18
Program Memory Type
ROMless
Ram Size
7.5K x 8
Voltage - Supply (vcc/vdd)
4.75 V ~ 5.25 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
160-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68376BGMAB20
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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MC68336/376
USER’S MANUAL
DATA15
DATA8
DATA7
DATA0
Alternate methods can be used for driving data bus pins low during reset. Figure 5-17
shows two of these options. The simplest is to connect a resistor in series with a diode
from the data bus pin to the RESET line. A bipolar transistor can be used for the same
purpose, but an additional current limiting resistor must be connected between the
base of the transistor and the RESET pin. If a MOSFET is substituted for the bipolar
transistor, only the 1 k
offer the protection from potential memory corruption during RESET assertion as does
the circuit shown in Figure 5-16.
RESET
R/W
DS
Figure 5-16 Preferred Circuit for Data Bus Mode Select Conditioning
820
V
DD
10 k
V
DD
10 k
isolation resistor is required. These simpler circuits do not
V
SYSTEM INTEGRATION MODULE
DD
OUT1
IN1
HIGH OR LOW
AS NEEDED
TIE INPUTS
74HC244
OUT8
IN8
OE
OUT1
IN1
HIGH OR LOW
AS NEEDED
TIE INPUTS
74HC244
DATA BUS SELECT CONDITIONING
OUT8
MOTOROLA
IN8
OE
5-43
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