MC68HC711P2CFN4 Freescale Semiconductor, MC68HC711P2CFN4 Datasheet - Page 37

• Manufacturer Part Number: MC68HC711P2CFN4
• Description: IC MCU 32K OTP 4MHZ 84-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC711P2CFN4

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: MI Bus, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Eeprom Size: 640 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: 84-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

2.13.4 Port D
2.13.5 Port E
MC68HC11P2 — Rev 1.0
The CWOM control bit in the OPT2 register disables port C’s P-channel
output drivers. Because the N-channel driver is not affected by CWOM,
setting CWOM causes port C to become an open-drain-type output port
suitable for wired-OR operation. In wired-OR mode (PORTC bits at logic
level zero), the pins are actively driven low by the N-channel driver.
When a port C bit is at logic level one, the associated pin is in a high
impedance state as neither the N-channel nor the P-channel devices are
active. It is customary to have an external pull-up resistor on lines that
are driven by open-drain devices. Port C can only be configured for
wired-OR operation when the MCU is in single chip mode. For further
information, refer to
Port D, a 6-bit general-purpose I/O port, has a data register (PORTD)
and a data direction register (DDRD). The six port D lines (D[5:0]) can
be used for general-purpose I/O, for one of the serial communications
interfaces (SCI1, bits [0:1]) and for the serial peripheral interface (SPI,
bits [2:5]) subsystem.
PORTD can be read at any time: inputs return the pin level; outputs
return the pin driver input level. If PORTD is written, the data is stored in
internal latches and are driven only if port D is configured for general-
purpose output.
For further information, refer to
Communications Interface (SCI)
(SPI).
Port E, PE/AD[7:0], is an input-only port that can also be used as the
analog inputs for the analog-to-digital converter.
For further information, refer to
Digital
Freescale Semiconductor, Inc.
For More Information On This Product,
Converter.
Go to: www.freescale.com
Pin Descriptions
Parallel
Input/Output.
Parallel
Parallel Input/Output
and
Serial Peripheral Interface
Input/Output,
and
Serial
Pin Descriptions
Analog-to-
Technical Data
Port signals