XC68HC12A0CPV8 Freescale Semiconductor, XC68HC12A0CPV8 Datasheet - Page 252
XC68HC12A0CPV8
Manufacturer Part Number
XC68HC12A0CPV8
Description
IC, 16BIT MCU, 68HC12, 8MHZ, TQFP-112
Manufacturer
Freescale Semiconductor
Datasheet
1.MC912D60ACFUE8.pdf
(460 pages)
Specifications of XC68HC12A0CPV8
Controller Family/series
68HC12
No. Of I/o's
68
Eeprom Memory Size
1KB
Ram Memory Size
2KB
Cpu Speed
8MHz
No. Of Timers
1
Core Size
16 Bit
Program Memory Size
60KB
Peripherals
ADC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Enhanced Capture Timer
ICSYS — Input Control System Control Register
Technical Data
252
RESET:
SH37
BIT 7
0
SH26
6
0
An IC register is empty when it has been read or latched into the holding
register.
A holding register is empty when it has been read.
NOVWx — No Input Capture Overwrite
SHxy — Share Input action of Input Capture Channels x and y
TFMOD — Timer Flag-setting Mode
Read: any time
Write: May be written once (SMODN=1). Writes are always permitted
when SMODN=0.
Use of the TFMOD bit in the ICSYS register ($AB) in conjunction with
the use of the ICOVW register ($AA) allows a timer interrupt to be
generated after capturing two values in the capture and holding
registers instead of generating an interrupt for every capture.
By setting TFMOD in queue mode, when NOVW bit is set and the
corresponding capture and holding registers are emptied, an input
capture event will first update the related input capture register with
0 = The contents of the related capture register or holding register
1 = The related capture register or holding register cannot be
0 = Normal operation
1 = The channel input ‘x’ causes the same action on the channel
SH15
5
0
can be overwritten when a new input capture or latch occurs.
written by an event unless they are empty (see
This will prevent the captured value to be overwritten until it is
read or latched in the holding register.
‘y’. The port pin ‘x’ and the corresponding edge detector is
used to be active on the channel ‘y’.
Enhanced Capture Timer
SH04
4
0
TFMOD
3
0
PACMX
2
0
BUFEN
MC68HC912D60A — Rev. 3.1
1
0
Freescale Semiconductor
LATQ
BIT 0
0
IC
Channels).
$00AB
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