MC68HC912D60A MOTOROLA [Motorola, Inc], MC68HC912D60A Datasheet - Page 374
MC68HC912D60A
Manufacturer Part Number
MC68HC912D60A
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC912D60A.pdf
(460 pages)
- Current page: 374 of 460
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ATD0TESTL/ATD1TESTL — ATD Test Register
ATD0TESTH/ATD1TESTH — ATD Test Register
Analog-to-Digital Converter
18.9.6 ATDTEST Module Test Register (ATDTEST)
Technical Data
374
RESET:
RESET:
SAR1
SAR9
Bit 7
Bit 7
0
0
SAR0
SAR8
6
0
6
0
The test registers implement various special (test) modes used to test
the ATD module. The reset bit in ATDTEST1 is always read/write. The
SAR (successive approximation register) can always be read but only
written in special (test) mode.
The functions implemented by the test registers are reserved for factory
test.
SAR[9:0] — Successive Approximation Register
RST — Test Mode Reset Bit
This ten bit value represents the contents of the AD machine’s
successive approximation register. This value can always be read. It
can only be written in special (test) mode. Note that ATDTEST0 acts
as a ten bit register since the entire SAR is read/written when
accessing this address.
When set, this bit causes the ATD module to reset itself. This sets all
registers to their reset state (note the reset state of the reset bit is
zero), the current conversion and conversion sequence are aborted,
pending interrupts are cleared, and the module is placed in an idle
mode.
Freescale Semiconductor, Inc.
For More Information On This Product,
0 = No reset
1 = Reset the ATD module
SAR7
RST
5
0
5
0
Analog-to-Digital Converter
Go to: www.freescale.com
SAR6
4
0
4
0
0
SAR5
3
0
3
0
0
SAR4
2
0
2
0
0
SAR3
MC68HC912D60A — Rev 3.0
1
0
1
0
0
SAR2
Bit 0
Bit 0
0
0
0
$0069/$01E9
$0068/$01E8
MOTOROLA
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