MC68HC908BD48IFB Freescale Semiconductor, MC68HC908BD48IFB Datasheet - Page 248
MC68HC908BD48IFB
Manufacturer Part Number
MC68HC908BD48IFB
Description
IC MCU 48K FLASH 6MHZ USB 44PQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908BD48IBE.pdf
(288 pages)
Specifications of MC68HC908BD48IFB
Core Processor
HC08
Core Size
8-Bit
Speed
6MHz
Connectivity
I²C, USB
Peripherals
POR, PWM
Number Of I /o
32
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 6x8b
Oscillator Type
Internal
Operating Temperature
0°C ~ 85°C
Package / Case
44-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908BD48IFB
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Input/Output (I/O) Ports
17.7.2 Data Direction Register E
Data Sheet
248
NOTE:
Address:
SOG/TCH0 — SOG Output or TCH0 Input
Data direction register E (DDRE) determines whether each port E pin is
an input or an output. Writing a logic 1 to a DDRE bit enables the output
buffer for the corresponding port E pin; a logic 0 disables the output
buffer.
DDRE2–DDRE0 — Data Direction Register E Bits
Avoid glitches on port E pins by writing to the port E data register before
changing data direction register E bits from 0 to 1.
Figure 17-18
Reset:
Read:
Write:
The PTE0/SOG/TCH0 pin is the SOG input for the sync processor or
the input capture of the TIM channel 0. See
These read/write bits control port E data direction. Reset clears
DDRE2–DDRE0, configuring all port E pins as inputs.
1 = Corresponding port E pin configured as output
0 = Corresponding port E pin configured as input
$000C
Bit 7
Figure 17-17. Data Direction Register E (DDRE)
0
0
shows the port E I/O logic.
Input/Output (I/O) Ports
= Unimplemented
6
0
0
5
0
0
4
0
0
3
0
0
17.7.3 Port E
MC68HC908BD48
DDRE2
Freescale Semiconductor
2
0
DDRE1
1
0
Options.
—
Rev. 2.1
DDRE0
Bit 0
0
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