MC68HC908QT2CPE Freescale, MC68HC908QT2CPE Datasheet - Page 116
MC68HC908QT2CPE
Manufacturer Part Number
MC68HC908QT2CPE
Description
Manufacturer
Freescale
Datasheet
1.MC68HC908QT2CPE.pdf
(184 pages)
Specifications of MC68HC908QT2CPE
Cpu Family
HC08
Device Core Size
8b
Frequency (max)
8MHz
Total Internal Ram Size
128Byte
# I/os (max)
6
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
4-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Through Hole
Pin Count
8
Package Type
PDIP
Program Memory Type
Flash
Program Memory Size
1.5KB
Lead Free Status / RoHS Status
Compliant
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System Integration Module (SIM)
The SIM counter is held in reset from the execution of the STOP instruction until the beginning of stop
recovery. It is then used to time the recovery period.
Figure 13-18
13.8 SIM Registers
The SIM has three memory mapped registers.
116
ADDRESS BUS
INTERRUPT
BUSCLKX4
ADDRESS BUS
NOTE: Previous data can be operand data or the STOP opcode, depending on the last instruction.
shows the stop mode recovery time from interrupt or break.
To minimize stop current, all pins configured as inputs should be driven to
a logic 1 or logic 0.
DATA BUS
CPUSTOP
R/W
Figure 13-18. Stop Mode Recovery from Interrupt
Address
STOP ADDR
$FE00
$FE01
$FE03
STOP +1
Figure 13-17. Stop Mode Entry Timing
MC68HC908QY/QT Family Data Sheet, Rev. 6
PREVIOUS DATA
Table 13-4. SIM Registers
STOP ADDR + 1
Register
SRSR
BFCR
BSR
Table 13-4
STOP + 2
NOTE
STOP RECOVERY PERIOD
NEXT OPCODE
Figure 13-17
STOP + 2
shows the mapping of these registers.
SAME
Access Mode
shows stop mode entry timing and
User
User
User
SP
SAME
SP – 1
SAME
SAME
Freescale Semiconductor
SP – 2
SP – 3
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