MC9S12C128VFU Freescale Semiconductor, MC9S12C128VFU Datasheet - Page 419
MC9S12C128VFU
Manufacturer Part Number
MC9S12C128VFU
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12C128VFU.pdf
(690 pages)
Specifications of MC9S12C128VFU
Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
25MHz
Interface Type
CAN/SCI/SPI
Program Memory Type
Flash
Program Memory Size
128KB
Total Internal Ram Size
4KB
# I/os (max)
60
Number Of Timers - General Purpose
8
Operating Supply Voltage (typ)
2.5/5V
Operating Supply Voltage (max)
2.75/5.5V
Operating Supply Voltage (min)
2.35/2.97V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 105C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
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14.3.2.3
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:
Freescale Semiconductor
Module Base 0x0002
SPPR[2:0]
SPR[2:0}
Reset
Field
6:4
2:0
W
R
Bidirectional
Pin Mode
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
= Unimplemented or Reserved
SPPR2
Table 14-5. Bidirectional Pin Configurations (continued)
0
6
SPC0
1
Figure 14-5. SPI Baud Rate Register (SPIBR)
BaudRateDivisor
Table 14-6. SPIBR Field Descriptions
Baud Rate
SPPR1
MC9S12C-Family / MC9S12GC-Family
BIDIROE
0
5
0
1
=
BusClock BaudRateDivisor
SPPR0
Rev 01.24
=
0
4
(
SPPR
Description
Chapter 14 Serial Peripheral Interface (SPIV3) Block Description
⁄
Slave I/O
Slave In
MISO
+
1
) 2
0
0
3
•
(
SPR
+
1
SPR2
)
0
2
MOSI not used by SPI
Table
MOSI
SPR1
Table
14-7. In master mode,
0
1
14-7. In master
SPR0
0
0
419
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