S9S12GN16F0CLF Freescale Semiconductor, S9S12GN16F0CLF Datasheet - Page 714
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S9S12GN16F0CLF
Manufacturer Part Number
S9S12GN16F0CLF
Description
16-bit Microcontrollers - MCU 16-bit16k Flash 2k RAM
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12GN16F0CLF
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
16 KB
Data Ram Size
1024 B
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
Available stocks
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Price
Company:
Part Number:
S9S12GN16F0CLF
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
S9S12GN16F0CLF
Manufacturer:
FREESCALE
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Serial Peripheral Interface (S12SPIV5)
21.3.2.5
Read: Anytime; read data only valid when SPIF is set
Write: Anytime
716
Module Base +0x0004
Module Base +0x0005
Reset
Reset
W
W
R
R
The SPI data register is both the input and output register for SPI data. A write to this register
allows data to be queued and transmitted. For an SPI configured as a master, queued data is
transmitted immediately after the previous transmission has completed. The SPI transmitter empty
flag SPTEF in the SPISR register indicates when the SPI data register is ready to accept new data.
Received data in the SPIDR is valid when SPIF is set.
If SPIF is cleared and data has been received, the received data is transferred from the receive shift
register to the SPIDR and SPIF is set.
If SPIF is set and not serviced, and a second data value has been received, the second received data
is kept as valid data in the receive shift register until the start of another transmission. The data in
the SPIDR does not change.
If SPIF is set and valid data is in the receive shift register, and SPIF is serviced before the start of
a third transmission, the data in the receive shift register is transferred into the SPIDR and SPIF
remains set (see
If SPIF is set and valid data is in the receive shift register, and SPIF is serviced after the start of a
third transmission, the data in the receive shift register has become invalid and is not transferred
into the SPIDR (see
3
R15
T15
R7
SPIDRH can be written repeatedly without any effect on SPTEF. SPTEF Flag is cleared only by
writing to SPIDRL after reading SPISR with SPTEF == 1.
T7
SPI Data Register (SPIDR = SPIDRH:SPIDRL)
0
0
7
7
Figure
R14
T14
R6
T6
0
0
6
6
Figure
Figure 21-7. SPI Data Register High (SPIDRH)
Figure 21-8. SPI Data Register Low (SPIDRL)
21-9).
MC9S12G Family Reference Manual,
21-10).
R13
T13
R5
T5
0
0
5
5
R12
T12
R4
T4
0
0
4
4
R11
T11
R3
T3
0
0
3
3
Rev.1.23
R10
T10
R2
T2
0
0
2
2
Freescale Semiconductor
R9
R1
T9
T1
0
0
1
1
R8
R0
T8
T0
0
0
0
0
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