S9S12GN16F0VLF Freescale Semiconductor, S9S12GN16F0VLF Datasheet - Page 710
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S9S12GN16F0VLF
Manufacturer Part Number
S9S12GN16F0VLF
Description
16-bit Microcontrollers - MCU 16-bit16k Flash 2k RAM
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12GN16F0VLF
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
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Serial Peripheral Interface (S12SPIV5)
21.3.2.3
Read: Anytime
Write: Anytime; writes to the reserved bits have no effect
The baud rate divisor equation is as follows:
The baud rate can be calculated with the following equation:
712
Module Base +0x0002
SPPR[2:0]
SPR[2:0]
Reset
SPPR2
Field
6–4
2–0
0
0
0
0
0
0
0
0
0
0
W
R
SPI Baud Rate Preselection Bits — These bits specify the SPI baud rates as shown in
mode, a change of these bits will abort a transmission in progress and force the SPI system into idle state.
SPI Baud Rate Selection Bits — These bits specify the SPI baud rates as shown in
a change of these bits will abort a transmission in progress and force the SPI system into idle state.
SPI Baud Rate Register (SPIBR)
0
0
7
For maximum allowed baud rates, please refer to the SPI Electrical
Specification in the Electricals chapter of this data sheet.
SPPR1
0
0
0
0
0
0
0
0
0
0
Table 21-6. Example SPI Baud Rate Selection (25 MHz Bus Clock)
= Unimplemented or Reserved
SPPR2
0
6
Baud Rate = BusClock / BaudRateDivisor
BaudRateDivisor = (SPPR + 1) • 2
SPPR0
0
0
0
0
0
0
0
0
1
1
Figure 21-5. SPI Baud Rate Register (SPIBR)
MC9S12G Family Reference Manual,
Table 21-5. SPIBR Field Descriptions
SPPR1
0
5
SPR2
0
0
0
0
1
1
1
1
0
0
SPPR0
NOTE
SPR1
0
4
0
0
1
1
0
0
1
1
0
0
Description
SPR0
(SPR + 1)
0
0
0
1
0
1
0
1
0
1
0
1
3
Rev.1.23
Baud Rate
SPR2
Divisor
0
2
128
256
16
32
64
2
4
8
4
8
Table
Freescale Semiconductor
SPR1
21-6. In master mode,
0
Table
1
1.5625 Mbit/s
781.25 kbit/s
390.63 kbit/s
195.31 kbit/s
3.125 Mbit/s
3.125 Mbit/s
97.66 kbit/s
Baud Rate
12.5 Mbit/s
6.25 Mbit/s
6.25 Mbit/s
21-6. In master
Eqn. 21-1
Eqn. 21-2
SPR0
0
0
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