MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 326
MC68HC908AB32CFU
Manufacturer Part Number
MC68HC908AB32CFU
Description
IC MCU 8MHZ 32K FLASH 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AB32CFUE.pdf
(392 pages)
Specifications of MC68HC908AB32CFU
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM
Number Of I /o
51
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Input/Output (I/O) Ports
17.7 Port E
17.7.1 Port E Data Register (PTE)
Technical Data
326
Alternative Function:
Address:
Port E is an 8-bit special function port that shares two of its pins with the
timer interface module (TIMA), two of its pins with the serial
communications interface module (SCI) and four of its pins with the
serial peripheral interface module (SPI).
The port E data register contains a data latch for each of the eight port E
pins.
PTE[7:0] — Port E Data Bits
SPSCK — SPI Serial Clock
MOSI — Master Out/Slave In
Reset:
Read:
Write:
These read/write bits are software programmable. Data direction of
each port E pin is under the control of the corresponding bit in data
direction register E. Reset has no effect on port E data.
The PTE7/SPSCK pin is the serial clock input of a SPI slave module
and serial clock output of a SPI master modules. When the SPE bit is
clear, the PTE7/SPSCK pin is available for general-purpose I/O. See
16.14.1 SPI Control
The PTE6/MOSI pin is the master out/slave in terminal of the SPI
module. When the SPE bit is clear, the PTE6/MOSI pin is available for
general-purpose I /O. See
SPSCK
$0008
PTE7
Bit 7
Figure 17-15. Port E Data Register (PTE)
Input/Output (I/O) Ports
PTE6
MOSI
6
Register.
PTE5
MISO
5
16.14.1 SPI Control
Unaffected by reset
PTE4
SS
4
TACH1
PTE3
3
MC68HC908AB32
TACH0
PTE2
Freescale Semiconductor
Register.
2
PTE1
RxD
1
—
Rev. 1.1
PTE0
Bit 0
TxD
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