MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 404

• 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

Independent Robust Real Time Clock (IRTC)
17.5.11 IRTC Interrupt Status Register (IRTC_ISR)
17-20
Reset Value
Reset Value
SAM7
SAM6
SAM5
SAM4
SAM3
SAM2
SAM1
SAM0
Field
MIN
2Hz
1Hz
HR
15
14
13
12
11
10
9
8
7
6
5
4
Bit Type
Bit Type
IRTC_ISR
Field
Field
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
Sampling Timer Interrupt Flag 7; indicates that an interrupt has occurred. If enabled, this bit periodically
sets at a rate equal or close to 512 Hz
Sampling Timer Interrupt Flag 6; indicates that an interrupt has occurred. If enabled, this bit periodically
sets at a rate equal or close to 256 Hz
Sampling Timer Interrupt Flag 5; indicates that an interrupt has occurred. If enabled, this bit periodically
sets at a rate equal or close to 128 Hz
Sampling Timer Interrupt Flag 4; indicates that an interrupt has occurred. If enabled, this bit periodically
sets at a rate equal or close to 64 Hz
Sampling Timer Interrupt Flag 3; indicates that an interrupt has occurred. If enabled, this bit periodically
sets at a rate equal or close to 32 Hz
Sampling Timer Interrupt Flag 2; indicates that an interrupt has occurred. If enabled, this bit periodically
sets at a rate equal or close to 16 Hz
Sampling Timer Interrupt Flag 1; indicates that an interrupt has occurred. If enabled, this bit periodically
sets at a rate equal or close to 8 Hz
Sampling Timer Interrupt Flag 0; indicates that an interrupt has occurred. If enabled, this bit periodically
sets at a rate equal or close to 4 Hz
Sampling Timer Interrupt at 2 Hz frequency, indicates that an interrupt has occurred. If enabled, this bit
periodically sets at a rate equal or close to 2 Hz
1 Hz Flag. Indicates that the seconds counter has incremented
Minutes Flag. Indicates that the minutes counter has incremented
Hour Flag. Indicates that the hour counter has incremented
SAM7
rw1c
rw1c
Bit 15
2Hz
Bit 7
0
0
Figure 17-12. IRTC Interrupt Status Register (IRTC_ISR)
SAM6
Bit 14
rw1c
rw1c
1Hz
Bit 6
0
0
Table 17-13. IRTC_ISR Field Descriptions
SAM5
Bit 13
rw1c
rw1c
MIN
Bit 5
0
0
Interrupt Status Register
SAM4
Bit 12
rw1c
rw1c
Bit 4
HR
0
0
Description
SAM3
Bit 11
rw1c
rw1c
DAY
Bit 3
0
0
SAM2
rw1c
rw1c
Bit 10
ALM
Bit 2
0
0
SAM1
STW
rw1c
rw1c
Bit 9
Bit 1
0
0
Freescale Semiconductor
TMPR
SAM0
rw1c
rw1c
Bit 8
Bit 0
Offset: 0x14
0
1
0x14
0x15