S9S12GN48F0VLF Freescale Semiconductor, S9S12GN48F0VLF Datasheet - Page 670
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S9S12GN48F0VLF
Manufacturer Part Number
S9S12GN48F0VLF
Description
16-bit Microcontrollers - MCU S12 Core,64kFlash,Au
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12GN48F0VLF
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-48
Mounting Style
SMD/SMT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S9S12GN48F0VLF
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Serial Communication Interface (S12SCIV5)
20.3.2.2
Read: Anytime, if AMAP = 0.
Write: Anytime, if AMAP = 0.
672
Module Base + 0x0002
SBR[12:0]
TNP[1:0]
Reset
Field
IREN
6:5
4:0
7:0
7
W
R
LOOPS
Infrared Enable Bit — This bit enables/disables the infrared modulation/demodulation submodule.
0 IR disabled
1 IR enabled
Transmitter Narrow Pulse Bits — These bits enable whether the SCI transmits a 1/16, 3/16, 1/32 or 1/4 narrow
pulse. See
SCI Baud Rate Bits — The baud rate for the SCI is determined by the bits in this register. The baud rate is
calculated two different ways depending on the state of the IREN bit.
The formulas for calculating the baud rate are:
Note: The baud rate generator is disabled after reset and not started until the TE bit or the RE bit is set for the
Note: Writing to SCIBDH has no effect without writing to SCIBDL, because writing to SCIBDH puts the data in
SCI Control Register 1 (SCICR1)
0
7
When IREN = 0 then,
When IREN = 1 then,
This register is only visible in the memory map if AMAP = 0 (reset
condition).
SCI baud rate = SCI bus clock / (16 x SBR[12:0])
SCI baud rate = SCI bus clock / (32 x SBR[12:1])
first time. The baud rate generator is disabled when (SBR[12:0] = 0 and IREN = 0) or (SBR[12:1] = 0 and
IREN = 1).
a temporary location until SCIBDL is written to.
Table
SCISWAI
0
6
20-3.
Table 20-2. SCIBDH and SCIBDL Field Descriptions
TNP[1:0]
Figure 20-5. SCI Control Register 1 (SCICR1)
11
10
01
00
MC9S12G Family Reference Manual,
Table 20-3. IRSCI Transmit Pulse Width
RSRC
0
5
NOTE
M
0
4
Narrow Pulse Width
Description
WAKE
1/32
1/16
3/16
1/4
0
3
Rev.1.23
ILT
0
2
Freescale Semiconductor
PE
0
1
PT
0
0
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