MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 125
MC68HC908AB32CFU
Manufacturer Part Number
MC68HC908AB32CFU
Description
IC MCU 8MHZ 32K FLASH 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AB32CFUE.pdf
(392 pages)
Specifications of MC68HC908AB32CFU
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM
Number Of I /o
51
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K 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
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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8.7.2 Stop Mode
MC68HC908AB32
Freescale Semiconductor
NOTE:
—
Rev. 1.1
In stop mode, the SIM counter is reset and the system clocks are
disabled. An interrupt request from a module can cause an exit from stop
mode. Stacking for interrupts begins after the selected stop recovery
time has elapsed. Reset or break also causes an exit from stop mode.
The SIM disables the clock generator module outputs (CGMOUT and
CGMXCLK) in stop mode, stopping the CPU and peripherals. Stop
recovery time is selectable using the SSREC bit in the configuration
register 1 (CONFIG1). If SSREC is set, stop recovery is reduced from
the normal delay of 4096 CGMXCLK cycles down to 32. This is ideal for
applications using canned oscillators that do not require long start-up
times from stop mode.
External crystal applications should use the full stop recovery time by
clearing the SSREC bit.
EXITSTOPWAIT
NOTE: EXITSTOPWAIT = RST pin OR CPU interrupt OR break interrupt
CGMXCLK
RST
IDB
IAB
IAB
IDB
Figure 8-13. Wait Recovery from Interrupt or Break
System Integration Module (SIM)
Figure 8-14. Wait Recovery from Internal Reset
$A6
$A6
$6E0B
$A6
$6E0B
$A6
$A6
$A6
Cycles
$6E0C
32
$01
$00FF
Cycles
$0B
32
System Integration Module (SIM)
$00FE
$6E
RST VCT H RST VCT L
$00FD
Technical Data
$00FC
125
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