MC908QB8CDTE Freescale Semiconductor, MC908QB8CDTE Datasheet - Page 63
MC908QB8CDTE
Manufacturer Part Number
MC908QB8CDTE
Description
IC MCU 8BIT 8K FLASH 16-TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QB8CDWE.pdf
(236 pages)
Specifications of MC908QB8CDTE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-TSSOP
Processor Series
HC08QB
Core
HC08
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
3-Wire/ESCI/SPI/UART
Number Of Programmable I/os
13
Number Of Timers
4
Operating Supply Voltage
3 V to 5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908QB8, DEMO908QC16
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit
For Use With
DEMO908QB8 - BOARD DEMO FOR MC68HC908QB8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908QB8CDTE
Manufacturer:
SMD
Quantity:
38
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Interrupts
6.3.7 COPRS (COP Rate Select)
The COPRS signal reflects the state of the COP rate select bit (COPRS) in the configuration register 1
(CONFIG1). See
Chapter 5 Configuration Register
(CONFIG).
6.4 Interrupts
The COP does not generate CPU interrupt requests.
6.5 Monitor Mode
The COP is disabled in monitor mode when V
is present on the IRQ pin.
TST
6.6 Low-Power Modes
The WAIT and STOP instructions put the MCU in low power-consumption standby modes.
6.6.1 Wait Mode
The COP continues to operate during wait mode. To prevent a COP reset during wait mode, periodically
clear the COP counter.
6.6.2 Stop Mode
Stop mode turns off the BUSCLKX4 input to the COP and clears the SIM counter. Service the COP
immediately before entering or after exiting stop mode to ensure a full COP timeout period after entering
or exiting stop mode.
6.7 COP Module During Break Mode
The COP is disabled during a break interrupt with monitor mode when BDCOP bit is set in break auxiliary
register (BRKAR).
6.8 Register
The COP control register (COPCTL) is located at address $FFFF and overlaps the reset vector. Writing
any value to $FFFF clears the COP counter and starts a new timeout period. Reading location $FFFF
returns the low byte of the reset vector.
Bit 7
6
5
4
3
2
1
Bit 0
Read:
LOW BYTE OF RESET VECTOR
Write:
CLEAR COP COUNTER
Reset:
Unaffected by reset
Figure 6-2. COP Control Register (COPCTL)
MC68HC908QB8 Data Sheet, Rev. 3
Freescale Semiconductor
63
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