MC68HC908LK24 MOTOROLA [Motorola, Inc], MC68HC908LK24 Datasheet - Page 219
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MC68HC908LK24
Manufacturer Part Number
MC68HC908LK24
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908LK24.pdf
(465 pages)
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12.4 I/O Pins
MC68HC908LJ24/LK24 — Rev. 2
MOTOROLA
†† Reset by POR only.
Addr.
$0040
$0041
$0042
$0043
$0044
$0045
Notes:
1. Do not enable the SPI function if the pin is used for RTC calibration.
RTC Calibration Control
RTC Control Register 1
RTC Control Register 2
Generic Pin Name
Alarm Minute Register
RTC Calibration Data
Register Name
RTC Status Register
CALOUT
CALIN
RTC
(RTCCOMR)
(RTCCDAT)
(RTCCR1)
(RTCCR2)
(RTCSR)
Register
Register
(ALMR)
Two RTC clock calibration pins are shared with standard port I/O pins.
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Figure 12-1. RTC I/O Register Summary
Freescale Semiconductor, Inc.
For More Information On This Product,
Table 12-1. Pin Name Conventions
U = Unaffected
COMEN
ALMIE
EOVL
ALMF
Bit 7
PTD3/SPSCK/CALOUT
R
U
U
0
0
0
0
0
0
Full MCU Pin Name
Go to: www.freescale.com
PTD0/SS/CALIN
Real Time Clock (RTC)
CHRCLR
CHRIE
CHRF
R
6
0
0
0
0
0
0
0
0
0
0
DAYIE
CHRE
DAYF
AM5
CAL
E5
U
U
5
0
0
0
0
(1)
AUTOCAL
= Unimplemented
RTCE
HRIE
HRF
AM4
0
E4
U
U
4
0
0
0
††
Pin Selected for RTC Function by
Bits in RTCCOMR ($0040)
OUTF1
MINIE
MINF
TBH
AM3
E3
U
U
3
0
0
0
0
OUTF[1:0}
AUTOCAL
OUTF0
SECIE
SECF
AM2
E2
U
U
R
2
0
0
0
0
0
Real Time Clock (RTC)
RTCWE1 RTCWE0
= Reserved
TB1IE
TB1F
AM1
E1
U
U
1
0
0
0
0
0
0
Data Sheet
I/O Pins
TB2IE
TB2F
Bit 0
AM0
E0
U
U
0
0
0
0
0
0
219
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