MC68HC711E20CFN2 Freescale Semiconductor, MC68HC711E20CFN2 Datasheet - Page 108

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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

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Serial Communications Interface (SCI)
108
SEE NOTE
Note: Refer to
BAUD RATE
RECEIVER
CLOCK
REQUESTS
SCI Tx
PD0
RxD
Figure B-1. EVBU Schematic Diagram
SCCR1 SCI CONTROL 1
SCI INTERRUPT
AND CONTROL
PIN BUFFER
REQUEST
DDD0
DISABLE
DRIVER
Figure 7-2. SCI Receiver Block Diagram
WAKEUP
LOGIC
M68HC11E Family Data Sheet, Rev. 5.1
RE
M
RECOVERY
RDRF
RIE
IDLE
ILIE
OR
RIE
DATA
÷16
for an example of connecting RxD to a PC.
SCSR SCI STATUS 1
SCCR2 SCI CONTROL 2
(8) 7 6 5 4 3 2 1 0
Rx SHIFT REGISTER
RWU
10 (11) - BIT
MSB
8
SCDR Rx BUFFER
INTERNAL
DATA BUS
Freescale Semiconductor
8
8
READ ONLY
ALL 1s

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