S9S12G48F0MLH Freescale Semiconductor, S9S12G48F0MLH Datasheet - Page 577
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S9S12G48F0MLH
Manufacturer Part Number
S9S12G48F0MLH
Description
16-bit Microcontrollers - MCU 16Bit 48KFlash 4096RAM MSCAN
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12G48F0MLH
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
48 KB
Data Ram Size
2 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-64
Mounting Style
SMD/SMT
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The DAC resistor network itself can work on two different voltage ranges:
Table 17-7
sections below.
17.5.2
The “Off” mode is the default mode after reset and is selected by DACCTL.DACM[2:0] = 0x0. During this
mode the DAC resistor network and the operational amplifier are disabled and all switches are open. This
mode provides the lowest power consumption. For decoding of the control signals see
17.5.3
The “Operational Amplifier” mode is selected by DACCTL.DACM[2:0] = 0x1. During this mode the
operational amplifier can be used independent from the DAC resister network. All required amplifier
signals, AMP, AMPP and AMPM are available on the pins. The DAC resistor network output is
disconnected from the DACU pin. The connection between the amplifier output and the negative amplifier
input is open. For decoding of the control signals see
Freescale Semiconductor
Unbuffered DAC with
Operational amplifier
Operational amplifier
Unbuffered DAC with
Operational amplifier
Operational amplifier
Unbuffered DAC
Full Voltage Range (FVR)
Reduced Voltage Range
Unbuffered DAC
Buffered DAC
Buffered DAC
Off
DAC Mode
shows the control signal decoding for each mode. For more detailed mode description see the
Mode “Off”
Mode “Operational Amplifier”
DACM
000
001
100
101
111
001
100
101
111
Table 17-6. DAC Resistor Network Voltage ranges
DAC resistor network provides a output voltage over the complete input voltage range,
default after reset
DAC resistor network provides a output voltage over a reduced input voltage range
DAC resistor
MC9S12G Family Reference Manual, Rev.1.23
network
disabled
enabled
enabled
enabled
disabled
Table 17-5. DAC Modes of Operation
Table 17-7. DAC Control Signals
enabled
enabled
enabled
disabled
Operational
Amplifier
disabled
disabled
enabled
enabled
enabled
Table
disabled
enabled
enabled
enabled
17-7.
Description
Switch S1
closed
closed
open
open
open
unbuffered resistor
unbuffered resistor
output voltage
output voltage
disconnected
disabled
Digital Analog Converter (DAC_8B5V)
Switch S2
closed
open
open
open
open
Table
depend on AMPP
depend on AMPP
and AMPM input
and AMPM input
buffered resistor
output voltage
disconnected
Switch S3
17-7.
closed
closed
open
open
open
579
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