MC68HC705C9ACP Freescale Semiconductor, MC68HC705C9ACP Datasheet - Page 45
MC68HC705C9ACP
Manufacturer Part Number
MC68HC705C9ACP
Description
IC MCU 2.1MHZ 16K OTP 40-DIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC705C9ACPE.pdf
(118 pages)
Specifications of MC68HC705C9ACP
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
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Chapter 6
Low-Power Modes
6.1 Introduction
This section describes the low-power modes.
6.2 Stop Mode
The STOP instruction places the MCU in its lowest-power consumption mode. In stop mode, the internal
oscillator is turned off, halting all internal processing, including timer operation.
During the stop mode, the TCR bits are altered to remove any pending timer interrupt request and to
disable any further timer interrupts. The timer prescaler is cleared. The I bit in the CCR is cleared to enable
external interrupts. All other registers and memory remain unaltered. All input/output lines remain
unchanged. The processor can be brought out of the stop mode only by an external interrupt or reset. See
Figure
Freescale Semiconductor
Notes:
6-1.
1. Represents the internal gating of the OSC1 pin
2. IRQ pin edge-sensitive mask option
3. IRQ pin level and edge-sensitive mask option
OSC1
RESET
IRQ
IRQ
INTERNAL
CLOCK
INTERNAL
ADDRESS
BUS
(2)
(3)
(1)
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
Figure 6-1. Stop Recovery Timing Diagram
t RL
t LIH
t ILCH
3FFE
4064 t cyc
3FFE
3FFE
RESET OR INTERRUPT
VECTOR FETCH
3FFE
3FFF
45
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