MC9S08QD2CSC Freescale, MC9S08QD2CSC Datasheet - Page 63
MC9S08QD2CSC
Manufacturer Part Number
MC9S08QD2CSC
Description
Manufacturer
Freescale
Datasheet
1.MC9S08QD2CSC.pdf
(198 pages)
Specifications of MC9S08QD2CSC
Cpu Family
HCS08
Device Core Size
8b
Frequency (max)
8MHz
Total Internal Ram Size
128Byte
# I/os (max)
4
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
4-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
8
Package Type
SOIC N
Program Memory Type
Flash
Program Memory Size
2KB
Lead Free Status / RoHS Status
Compliant
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5.8.7
This high-page register contains status and control bits for the RTI.
Freescale Semiconductor
RTICLKS
Reset:
Reset:
RTIACK
ID[7:0]
Field
Field
RTIE
RTIS
RTIF
7:0
2:0
7
6
5
4
W
W
R
R
System Real-Time Interrupt Status and Control Register (SRTISC)
RTIF
ID7
Part Identification Number — Each derivative in the HCS08 family has a unique identification number. The
MC9S08QD4 series is hard coded to the value 0x011. See also ID bits in
Real-Time Interrupt Flag — This read-only status bit indicates the periodic wakeup timer has timed out.
0 Periodic wakeup timer not timed out.
1 Periodic wakeup timer timed out.
Real-Time Interrupt Acknowledge — This write-only bit is used to acknowledge real-time interrupt request
(write 1 to clear RTIF). Writing 0 has no meaning or effect. Reads always return 0.
Real-Time Interrupt Clock Select — This read/write bit selects the clock source for the real-time interrupt.
0 Real-time interrupt request clock source is internal 1 kHz oscillator.
1 Real-time interrupt request clock source is 32 kHz ICS clock.
Real-Time Interrupt Enable — This read-write bit enables real-time interrupts.
0 Real-time interrupts disabled.
1 Real-time interrupts enabled.
Real-Time Interrupt Delay Selects — These read/write bits select the period for the RTI. See
0
0
7
7
= Unimplemented or Reserved
Figure 5-8. System Device Identification Register — Low (SDIDL)
= Unimplemented or Reserved
Figure 5-9. System RTI Status and Control Register (SRTISC)
RTIACK
ID6
0
0
0
6
6
Table 5-10. SRTISC Register Field Descriptions
Table 5-9. SDIDL Register Field Descriptions
MC9S08QD4 Series MCU Data Sheet, Rev. 6
RTICLKS
ID5
0
0
5
5
RTIE
ID4
0
0
4
4
Description
Description
Chapter 5 Resets, Interrupts, and General System Control
ID3
3
1
3
0
0
Table
ID2
0
0
2
2
5-8.
RTIS
ID1
0
0
1
1
Table 5-11
ID0
1
0
0
0
63
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