MC68HC11E0CFNE3 Freescale Semiconductor, MC68HC11E0CFNE3 Datasheet - Page 112

• Manufacturer Part Number: MC68HC11E0CFNE3
• Description: IC MCU 8BIT 3MHZ 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11E0CFNE3

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 38
• Program Memory Type: ROMless
• Ram Size: 512 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
• Controller Family/series: 68HC11
• No. Of I/o's: 38
• Ram Memory Size: 512Byte
• Cpu Speed: 3MHz
• No. Of Timers: 1
• Embedded Interface Type: SCI, SPI
• Digital Ic Case Style: LCC
• Rohs Compliant: Yes
• Processor Series: HC11E
• Core: HC11
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 3 MHz
• Number Of Programmable I/os: 38
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

A-8
NOTES:
Frequency of Operation (E-Clock Frequency)
E-Clock Period
Peripheral Data Setup Time
Peripheral Data Hold Time
Delay Time, Peripheral Data Write
MCU Read of Ports A, B, C, and D
MCU Read of Ports A, B, C, and D
MCU Write to Port A
MCU Writes to Ports B, C, and D
t
1. Port C and D timing is valid for active drive (CWOM and DWOM bits not set in PIOC and SPCR registers respec-
2. All timing is shown with respect to 20% V
PWD
A, B, C, D
tively).
PORT A
PORTS
B, C, D
PORTS
= 1/4 t
E
E
cyc
+ 150 ns
Characteristic
PREVIOUS PORT DATA
Freescale Semiconductor, Inc.
Figure A-6 Port Write Timing Diagram
Figure A-7 Port Read Timing Diagram
For More Information On This Product,
Table A-5 Peripheral Port Timing
ELECTRICAL CHARACTERISTICS
MCU WRITE TO PORT
PREVIOUS PORT DATA
MCU READ OF PORT
Go to: www.freescale.com
DD
and 70% V
Symbol
t
t
PDSU
t
PWD
t
PDH
cyc
f
t PWD
o
DD
1000
, unless otherwise noted.
Min
100
dc
50
—
—
1.0 MHz
t PDSU
Max
200
350
1.0
—
—
—
Min
500
100
NEW DATA VALID
t PWD
50
dc
—
—
t PDH
2.0 MHz
Max
200
225
2.0
—
—
—
NEW DATA VALID
TECHNICAL DATA
Min
333
100
dc
50
—
—
3.0 MHz
D3 PORT WRITE TIM
Max
D3 PORT READ TIM
200
183
3.0
—
—
—
MHz
Unit
ns
ns
ns
ns
ns