MC9S12E64CFU Freescale Semiconductor, MC9S12E64CFU Datasheet - Page 261
MC9S12E64CFU
Manufacturer Part Number
MC9S12E64CFU
Description
IC MCU 64K FLASH 25MHZ 80-QFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Specifications of MC9S12E64CFU
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
EBI/EMI, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
60
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 2.75 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Data Bus Width
16 bit
Data Ram Size
4 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
60
Number Of Timers
16 bit
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
8 bit, 2 Channel
For Use With
M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No RoHS Version Available
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12E64CFU
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC9S12E64CFUE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC9S12E64CFUE
Manufacturer:
FREESCALE
Quantity:
20 000
Company:
Part Number:
MC9S12E64CFUER
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
- Current page: 261 of 606
- Download datasheet (4Mb)
8.4.3
A 13-bit modulus counter in the baud rate generator derives the baud rate for both the receiver and the
transmitter. The value from 0 to 8191 written to the SBR[12:0] bits determines the module clock divisor.
The SBR bits are in the SCI baud rate registers (SCIBDH and SCIBDL). The baud rate clock is
synchronized with the bus clock and drives the receiver. The baud rate clock divided by 16 drives the
transmitter. The receiver has an acquisition rate of 16 samples per bit time.
Baud rate generation is subject to one source of error:
Table 8-13
When IREN = 0 then,
Freescale Semiconductor
•
Integer division of the module clock may not give the exact target frequency.
SCI baud rate = SCI module clock / (16 * SCIBR[12:0])
lists some examples of achieving target baud rates with a module clock frequency of 10.2 MHz.
Baud Rate Generation
SBR[12–0]
Table 8-13. Baud Rates (Example: Module Clock = 10.2 MHz)
1062
2125
4250
5795
Bits
133
266
531
17
33
66
Clock (Hz)
600,000.0
309,090.9
154,545.5
Receiver
76,691.7
38,345.9
19,209.0
9604.5
4800.0
2400.0
1760.1
MC9S12E128 Data Sheet, Rev. 1.07
Transmitter
Clock (Hz)
37,500.0
19,318.2
9659.1
4793.2
2396.6
1200.6
600.3
300.0
150.0
110.0
Target Baud
Chapter 8 Serial Communication Interface (SCIV3)
38,400
19,200
Rate
9600
4800
2400
1200
600
300
150
110
Error
(%)
2.3
.62
.62
.14
.14
.11
.05
.00
.00
.00
261
Related parts for MC9S12E64CFU
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: