S9S12G64F0CLFR Freescale Semiconductor, S9S12G64F0CLFR Datasheet - Page 478
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S9S12G64F0CLFR
Manufacturer Part Number
S9S12G64F0CLFR
Description
16-bit Microcontrollers - MCU S12 Core,64K FLASH AU
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12G64F0CLFR
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
1 MHz
Program Memory Size
64 KB
Data Ram Size
8 KB
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
LQFP-48
Mounting Style
SMD/SMT
A/d Bit Size
10 bit, 12 bit
A/d Channels Available
12
Interface Type
SPI
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
40
Number Of Timers
8
Program Memory Type
Flash
Supply Voltage - Max
5.5 V
Supply Voltage - Min
3.13 V
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Analog-to-Digital Converter (ADC10B12CV2)
13.3.2.4
Writes to this register will abort current conversion sequence.
Read: Anytime
Write: Anytime
480
Module Base + 0x0003
S8C, S4C,
S2C, S1C
FRZ[1:0]
Reset
Field
FIFO
DJM
6–3
1–0
7
2
W
R
DJM
Result Register Data Justification — Result data format is always unsigned. This bit controls justification of
conversion data in the result registers.
0 Left justified data in the result registers.
1 Right justified data in the result registers.
Table 13-9
Conversion Sequence Length — These bits control the number of conversions per sequence.
shows all combinations. At reset, S4C is set to 1 (sequence length is 4). This is to maintain software continuity
to HC12 family.
Result Register FIFO Mode — If this bit is zero (non-FIFO mode), the A/D conversion results map into the result
registers based on the conversion sequence; the result of the first conversion appears in the first result register
(ATDDR0), the second result in the second result register (ATDDR1), and so on.
If this bit is one (FIFO mode) the conversion counter is not reset at the beginning or end of a conversion
sequence; sequential conversion results are placed in consecutive result registers. In a continuously scanning
conversion sequence, the result register counter will wrap around when it reaches the end of the result register
file. The conversion counter value (CC3-0 in ATDSTAT0) can be used to determine where in the result register
file, the current conversion result will be placed.
Aborting a conversion or starting a new conversion clears the conversion counter even if FIFO=1. So the first
result of a new conversion sequence, started by writing to ATDCTL5, will always be place in the first result register
(ATDDDR0). Intended usage of FIFO mode is continuos conversion (SCAN=1) or triggered conversion
(ETRIG=1).
Which result registers hold valid data can be tracked using the conversion complete flags. Fast flag clear mode
may be useful in a particular application to track valid data.
If this bit is one, automatic compare of result registers is always disabled, that is ADC10B12C will behave as if
ACMPIE and all CPME[n] were zero.
0 Conversion results are placed in the corresponding result register up to the selected sequence length.
1 Conversion results are placed in consecutive result registers (wrap around at end).
Background Debug Freeze Enable — When debugging an application, it is useful in many cases to have the
ATD pause when a breakpoint (Freeze Mode) is encountered. These 2 bits determine how the ATD will respond
to a breakpoint as shown in
may compromise the accuracy of an immediately frozen conversion depending on the length of the freeze period.
ATD Control Register 3 (ATDCTL3)
0
7
= Unimplemented or Reserved
gives example ATD results for an input signal range between 0 and 5.12 Volts.
S8C
0
6
Figure 13-6. ATD Control Register 3 (ATDCTL3)
Table 13-8. ATDCTL3 Field Descriptions
MC9S12G Family Reference Manual,
Table
S4C
1
5
13-11. Leakage onto the storage node and comparator reference capacitors
S2C
0
4
Description
S1C
0
3
Rev.1.23
FIFO
0
2
Freescale Semiconductor
FRZ1
0
1
Table 13-10
FRZ0
0
0
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