MC9S12C128VFU Freescale Semiconductor, MC9S12C128VFU Datasheet - Page 393
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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13.3.2.6
Read: Anytime; reading accesses SCI receive data register
Write: Anytime; writing accesses SCI transmit data register; writing to R8 has no effect
Freescale Semiconductor
Module Base + 0x_0007
Module Base + 0x_0006
Reset
Reset
R[7:0]
T[7:0]
Field
7–0
R8
T8
7
6
W
W
R
R
Received Bit 8 — R8 is the ninth data bit received when the SCI is configured for 9-bit data format (M = 1).
Transmit Bit 8 — T8 is the ninth data bit transmitted when the SCI is configured for 9-bit data format (M = 1).
Received Bits — Received bits seven through zero for 9-bit or 8-bit data formats
Transmit Bits — Transmit bits seven through zero for 9-bit or 8-bit formats
R8
R7
T7
SCI Data Registers (SCIDRH and SCIDRL)
0
0
7
7
have to be rewritten.The same value is transmitted until T8 is rewritten
In 8-bit data format, only SCI data register low (SCIDRL) needs to be
accessed.
When transmitting in 9-bit data format and using 8-bit write instructions,
write first to SCI data register high (SCIDRH), then SCIDRL.
If the value of T8 is the same as in the previous transmission, T8 does not
= Unimplemented or Reserved
R6
T8
T6
Figure 13-8. SCI Data Registers (SCIDRH and SCIDRL)
0
0
6
6
Table 13-7. SCIDRH AND SCIDRL Field Descriptions
MC9S12C-Family / MC9S12GC-Family
R5
T5
0
0
0
5
5
Chapter 13 Serial Communications Interface (S12SCIV2) Block Description
Rev 01.24
NOTE
R4
T4
0
0
0
4
4
Description
R3
T3
0
0
0
3
3
R2
T2
0
0
0
2
2
R1
T1
0
0
0
1
1
R0
T0
0
0
0
0
0
393
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