MC68HC908JB16JDW Freescale Semiconductor, MC68HC908JB16JDW Datasheet - Page 177
![IC MCU 16K FLASH 6MHZ USB 20SOIC](/photos/6/50/65027/375-20-soic_sml.jpg)
MC68HC908JB16JDW
Manufacturer Part Number
MC68HC908JB16JDW
Description
IC MCU 16K FLASH 6MHZ USB 20SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JB16DWE.pdf
(332 pages)
Specifications of MC68HC908JB16JDW
Core Processor
HC08
Core Size
8-Bit
Speed
6MHz
Connectivity
SCI, USB
Peripherals
LED, LVD, POR, PWM
Number Of I /o
13
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC908JB16JDWE
Manufacturer:
FREESCALE
Quantity:
20 000
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11.7 Hardware Description
11.7.1 Voltage Regulator
11.7.2 USB Transceiver
MC68HC908JB16
Freescale Semiconductor
—
Rev. 1.1
The USB module as previously shown in
functional blocks: the low-speed USB transceiver, the USB control logic,
and the USB registers. The following details the function of the regulator,
transceiver, and control logic. See
register settings.
The USB data lines are required by the USB specification to have an
output voltage between 2.8V and 3.6V. The data lines also are required
to have an external 1.5kΩ pull-up resistor connected between a data line
and a voltage source between 3.0V and 3.6V.
worst case electrical connection for the voltage regulator.
The USB transceiver provides the physical interface to the USB D+ and
D– data lines. The transceiver is composed of two parts: an output drive
circuit and a receiver.
TRANSCEIVER
4.0V TO 5.5V
REGULATOR
LOW-SPEED
Universal Serial Bus Module (USB)
3.3V
Figure 11-10. Regulator Electrical Connections
D+
D–
R1
USB DATA LINES
R1 = 1.5kΩ ±5%
R2 = 15kΩ ±5%
11.8 I/O Registers
USB CABLE
Figure 11-2
Universal Serial Bus Module (USB)
Figure 11-10
R2
contains three
for details of
R2
Technical Data
shows the
HOST
HUB
OR
177
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