MC68HC711D3CFN2 Freescale Semiconductor, MC68HC711D3CFN2 Datasheet - Page 60

IC MCU 2MHZ 4K OTP 44-PLCC

MC68HC711D3CFN2

Manufacturer Part Number
MC68HC711D3CFN2
Description
IC MCU 2MHZ 4K OTP 44-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Datasheets

Specifications of MC68HC711D3CFN2

Core Processor
HC11
Core Size
8-Bit
Speed
2MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
26
Program Memory Size
4KB (4K x 8)
Program Memory Type
OTP
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-

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5.5 Low-Power Operation
5.5.1 WAIT
5-16
Both STOP and WAIT suspend CPU operation until a reset or interrupt occurs. The
WAIT condition suspends processing and reduces power consumption to an interme-
diate level. The STOP condition turns off all on-chip clocks and reduces power con-
sumption to an absolute minimum while retaining the contents of all 192 bytes of RAM.
The WAI opcode places the MCU in the WAIT condition, during which the CPU regis-
ters are stacked and CPU processing is suspended until a qualified interrupt is detect-
ed. The interrupt can be an external IRQ, an XIRQ, or any of the internally generated
interrupts, such as the timer or serial interrupts. The on-chip crystal oscillator remains
active throughout the WAIT standby period.
The reduction of power in the WAIT condition depends on how many internal clock sig-
VALID SCI REQUEST
RDRF = 1?
TDRE = 1?
IDLE = 1?
OR = 1?
TC = 1?
BEGIN
FLAG
N
N
N
N
N
NO
Figure 5-3 Interrupt Source Resolution within SCI
Y
Y
Y
Y
Y
Freescale Semiconductor, Inc.
For More Information On This Product,
RESETS AND INTERRUPTS
ILIE = 1?
Go to: www.freescale.com
RIE = 1?
TIE = 1?
N
N
N
Y
Y
Y
TCIE = 1?
RE = 1?
RE = 1?
TE = 1?
N
N
N
N
VALID SCI REQUEST
Y
Y
Y
Y
TECHNICAL DATA
INT SOURCE RES

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