MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 281

• Manufacturer Part Number: MCF51EM256CLL
• Description: IC MCU 32BIT 256KB FLASH 100LQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF51EMr

Specifications of MCF51EM256CLL

• Core Processor: Coldfire V1
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, SCI, SPI
• Peripherals: LCD, LVD, PWM, WDT
• Number Of I /o: 63
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 16x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Processor Series: MCF51EM
• Core: ColdFire V1
• Data Bus Width: 32 bit
• Data Ram Size: 16 KB
• Interface Type: RS-232, LIN
• Maximum Clock Frequency: 50 MHz
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Development Tools By Supplier: DEMOEM
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

12.4.4
This register has three read-only status bits. Bits 6, 3, 2, 1, and 0 are not implemented and always read 0.
Writes have no meaning or effect.
Freescale Semiconductor
Reset
W
R
SPRF
SPI Status Register (SPIxS)
0
7
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
= Unimplemented or Reserved
0
0
6
SPR3:SPR2:SPR1:SPR0
SPPR2:SPPR1:SPPR0
All other combinations
Table 12-5. SPI Baud Rate Prescaler Divisor
Figure 12-7. SPI Status Register (SPIxS)
0:0:0:0
0:0:0:1
0:0:1:0
0:0:1:1
0:1:0:0
0:1:0:1
0:1:1:0
0:1:1:1
1:0:0:0
0:0:0
0:0:1
0:1:0
0:1:1
1:0:0
1:0:1
1:1:0
1:1:1
SPTEF
Table 12-6. SPI Baud Rate Divisor
1
5
MODF
0
4
Prescaler Divisor
Rate Divisor
3
0
0
reserved
128
256
512
16
32
64
1
2
3
4
5
6
7
8
2
4
8
0
2
0
8-bit Serial Peripheral Interface (SPI)
0
0
1
0
0
0
12-9