MC68HC711E20CFN2 Freescale Semiconductor, MC68HC711E20CFN2 Datasheet - Page 97

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MC68HC711E20CFN2

Manufacturer Part Number
MC68HC711E20CFN2
Description
IC MCU 20K 2MHZ OTP 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Datasheets

Specifications of MC68HC711E20CFN2

Core Processor
HC11
Core Size
8-Bit
Speed
2MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
38
Program Memory Size
20KB (20K x 8)
Program Memory Type
OTP
Eeprom Size
512 x 8
Ram Size
768 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
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Chapter 6
Parallel Input/Output (I/O) Ports
6.1 Introduction
All M68HC11 E-series MCUs have five input/output (I/O) ports and up to 38 I/O lines, depending on the
operating mode. Refer to
Port pin function is mode dependent. Do not confuse pin function with the electrical state of the pin at
reset. Port pins are either driven to a specified logic level or are configured as high-impedance inputs. I/O
pins configured as high-impedance inputs have port data that is indeterminate.
In port descriptions, an I indicates this condition. Port pins that are driven to a known logic level during
reset are shown with a value of either 1 or 0. Some control bits are unaffected by reset. Reset states for
these bits are indicated with a U.
Freescale Semiconductor
Port A
Port B
Port C
Port D
Port E
Port
Input
Pins
3
8
Table 6-1
Output
Pins
3
8
M68HC11E Family Data Sheet, Rev. 5.1
for a summary of the ports and their shared functions.
Table 6-1. Input/Output Ports
Bidirectional
Pins
2
8
6
Timer
High-order address
Low-order address and data bus
Serial communications interface (SCI)
and serial peripheral interface (SPI)
Analog-to-digital (A/D) converter
Shared Functions
97

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