MC68HC912B32CFU8 Freescale Semiconductor, MC68HC912B32CFU8 Datasheet - Page 155
MC68HC912B32CFU8
Manufacturer Part Number
MC68HC912B32CFU8
Description
IC MCU 32K FLASH 8MHZ 80-QFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet
1.MCHC912B32CFUE8.pdf
(334 pages)
Specifications of MC68HC912B32CFU8
Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
63
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
768 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
MC68HC912B32CFU8
Manufacturer:
Freescale Semiconductor
Quantity:
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12.3.15 Data Direction Register for Timer Port
Read: Anytime
Write: Anytime
The timer forces the I/O state to be an output for each timer port pin associated with an enabled output
compare. In these cases the data direction bits will not be changed, but they have no affect on the
direction of these pins. The DDRT will revert to controlling the I/O direction of a pin when the associated
timer output compare is disabled. Input captures do not override the DDRT settings.
12.4 Timer Operation in Modes
Stop — Timer is off since both PCLK and ECLK are stopped.
BDM— Timer keeps running, unless TSBCK = 1.
Wait — Counters keep running, unless TSWAI = 1.
Normal — Timer keeps running, unless TEN = 0.
TEN = 0 —All timer operations are stopped, registers may be accessed.
Gated pulse accumulator ÷64 clock is also disabled.
PAEN = 0 —All pulse accumulator operations are stopped.
Registers may be accessed.
Freescale Semiconductor
0 = Configures the corresponding I/O pin for input only
1 = Configures the corresponding I/O pin for output
Address: $00AF
Reset:
Read:
Write:
Figure 12-29. Data Direction Register for Timer Port (DDRT)
DDT7
Bit 7
0
DDT6
6
0
M68HC12B Family Data Sheet, Rev. 9.1
DDT5
5
0
DDT4
4
0
DDT3
3
0
DDT2
2
0
DDT1
1
0
Timer Operation in Modes
DDT0
Bit 0
0
155
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