MC9S08AC48CFDE Freescale Semiconductor, MC9S08AC48CFDE Datasheet - Page 78
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MC9S08AC48CFDE
Manufacturer Part Number
MC9S08AC48CFDE
Description
IC MCU 8BIT 48K FLASH 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.MC9S08AC60CFJE.pdf
(348 pages)
Specifications of MC9S08AC48CFDE
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
38
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QFN
Processor Series
S08AC
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
I2C, SCI, SPI
Operating Supply Voltage
- 0.3 V to + 5.8 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08AC60E, DEMOACEX, DEMOACKIT, DCF51AC256, DC9S08AC128, DC9S08AC16, DC9S08AC60, DEMO51AC256KIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S08AC48CFDE
Manufacturer:
INTEL
Quantity:
210
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Chapter 5 Resets, Interrupts, and System Configuration
5.9.7
This register contains one read-only status flag, one write-only acknowledge bit, three read/write delay
selects, and three unimplemented bits, which always read 0.
1
78
RTICLKS
RTIS[2:0]
Normal values are shown in this column based on f
Specifications,” f
Reset
RTIACK
RTIS2:RTIS1:RTIS0
Field
RTIE
RTIF
2:0
7
6
5
4
W
R
0:0:0
0:0:1
0:1:0
0:1:1
1:0:0
1:0:1
1:1:0
1:1:1
System Real-Time Interrupt Status and Control Register (SRTISC)
RTIF
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 logic 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 external 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 wakeup delay for the RTI. The clock
source for the real-time interrupt is a self-clocked source which oscillates at about 1 kHz, is independent of other
MCU clock sources. Using external clock source the delays will be crystal frequency divided by value in
RTIS2:RTIS1:RTIS0. See
0
7
RTI
for the tolerance on these values.
= Unimplemented or Reserved
Figure 5-9. System RTI Status and Control Register (SRTISC)
RTIACK
0
0
6
Table 5-10. SRTISC Register Field Descriptions
Disable periodic wakeup timer
1-kHz Clock Source Delay
Table 5-11. Real-Time Interrupt Frequency
Table
RTICLKS
MC9S08AC60 Series Data Sheet, Rev. 2
0
5
5-11.
128 ms
256 ms
512 ms
1.024 s
32 ms
64 ms
8 ms
RTI
= 1 kHz. See
RTIE
0
4
Description
1
Appendix A, “Electrical Characteristics and Timing
3
0
0
Using External Clock Source Delay
Disable periodic wakeup timer
RTIS2
0
2
(Crystal Frequency)
divide by 16384
divide by 32768
divide by 2048
divide by 4096
divide by 8192
divide by 1024
divide by 256
Freescale Semiconductor
RTIS1
0
1
RTIS0
0
0
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