MC68711E20CFNE3 Freescale Semiconductor, MC68711E20CFNE3 Datasheet - Page 14

• Manufacturer Part Number: MC68711E20CFNE3
• Description: IC MCU 8BIT 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68711E20CFNE3

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 3MHz
• 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
• Processor Series: M687xx
• Core: HC11
• Data Bus Width: 8 bit
• Data Ram Size: 768 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

General Description
1.4 Pin Descriptions
Refer to
14
Figure
MODA/LIR
EV
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
V
V
DD
SS
SS
MODE CONTROL
MODB/V
1-2,
DATA DIRECTION REGISTER B
Figure
PORT A
STBY
PORT B
1-3, and
RESET
Figure 1-1. MC68HC711D3 Block Diagram
MULTIPLEXED ADDRESS/DATA BUS
PAI/OC1
OC2/OC1
OC3/OC1
OC4/OC1
IC4/OC5/OC1
IC1
IC2
IC3
INTERRUPT CONTROL
Figure 1-4
MC68HC711D3 Data Sheet, Rev. 2.1
MC68HC711D3
CPU CORE
PULSE ACCUMULATOR
IRQ
XIRQ/V
DATA DIRECTION REGISTER C
for pin assignments.
PP
TIMER
PERIODIC INTERRUPT
XTAL EXTAL
PORT C
OSCILLATOR
CLOCK LOGIC
COP
E
SERIAL
PERIPHERAL
INTERFACE
(SPI)
DATA DIRECTION REGISTER D
192 BYTES STATIC RAM
EPROM OR OTPROM
PORT D
4 KBYTES
Freescale Semiconductor
COMMUNICATIONS
TxD
INTERFACE
SERIAL
RxD
(SCI)