MC68HC705C8AFNE Freescale Semiconductor, MC68HC705C8AFNE Datasheet - Page 100
MC68HC705C8AFNE
Manufacturer Part Number
MC68HC705C8AFNE
Description
IC MCU 8BIT 44-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8AB.pdf
(222 pages)
Specifications of MC68HC705C8AFNE
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
304 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-PLCC
Processor Series
HC705C
Core
HC05
Data Bus Width
8 bit
Data Ram Size
304 B
Interface Type
SCI, SPI
Maximum Clock Frequency
2.1 MHz
Number Of Programmable I/os
24
Number Of Timers
1
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
On-chip Adc
8 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC705C8AFNE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Capture/Compare Timer
8.4.5 Input Capture Registers
Technical Data
100
NOTE:
Register Name and Address: Input Capture Register High — $0014
Register Name and Address: Input Capture Register Low — $0015
When a selected edge occurs on the TCAP pin, the current high and low
bytes of the 16-bit counter are latched into the read-only input capture
registers (ICRH and ICRL) shown in
reading ICRL inhibits further captures until ICRL is read. Reading ICRL
after reading the timer status register clears the input capture flag (ICF).
Writing to the input capture registers has no effect.
To prevent interrupts from occurring between readings of ICRH and
ICRL, set the interrupt mask (I bit) in the condition code register before
reading ICRH and clear the mask after reading ICRL.
Reset:
Reset:
Read:
Read:
Write:
Write:
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 8-11. Input Capture Registers (ICRH and ICRL)
Bit 15
Bit 7
Bit 7
Go to: www.freescale.com
Capture/Compare Timer
= Unimplemented
Bit 14
Bit 6
6
Bit 13
Bit 5
5
Unaffected by reset
Unaffected by reset
Bit 12
Bit 4
4
Figure
Bit 11
Bit 3
3
8-11. Reading ICRH before
MC68HC705C8A — Rev. 3
Bit 10
Bit 2
2
Bit 9
Bit 1
1
Bit 0
Bit 8
Bit 0
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