MC68HC908BD48IB Freescale Semiconductor, MC68HC908BD48IB Datasheet - Page 249
MC68HC908BD48IB
Manufacturer Part Number
MC68HC908BD48IB
Description
IC MCU 48K FLASH 6MHZ USB 42SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908BD48IBE.pdf
(288 pages)
Specifications of MC68HC908BD48IB
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
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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MC68HC908BD48
Freescale Semiconductor
DDRE Bit
Notes:
1. X = Don’t care
2. Hi-Z = High impedance
3. Writing affects data register, but does not affect input.
0
1
PTE Bit
—
X
X
(1)
Rev. 2.1
When bit DDREx is a logic 1, reading address $0008 reads the PTEx
data latch. When bit DDREx is a logic 0, reading address $0008 reads
the voltage level on the pin. The data latch can always be written,
regardless of the state of its data direction bit.
the operation of the port E pins.
I/O Pin Mode
Input, Hi-Z
Output
Table 17-7. Port E Pin Functions
READ DDRE ($0009)
WRITE DDRE ($0009)
WRITE PTE ($0008)
READ PTE ($0008)
(2)
Input/Output (I/O) Ports
Accesses to DDRE
Figure 17-18. Port E I/O Circuit
DDRE2–DDRE0]
RESET
DDRE2–DDRE0
Read/Write
DDREx
PTEx
PTE2–PTE0
Read
Pin
Table 17-7
Accesses to PTE
Input/Output (I/O) Ports
PTE2–PTE0
PTE2–PTE0
summarizes
Write
Data Sheet
PTEx
(3)
249
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