MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 12

• 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

17.4 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-4
17.5 IRTC Programming Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-5
17.6 Top Level Data Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-35
17.7 Modes of Operation (Based on Data Flow) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-36
17.8 Block Description (Brief Overview) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-37
18.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-1
18.2 External Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2
12
17.5.1 IRTC Year & Month Counters Register (IRTC_YEARMON) . . . . . . . . . . . . . . . . . . 17-7
17.5.2 IRTC Day & Day-of-Week Counters Register (IRTC_DAYS) . . . . . . . . . . . . . . . . . . 17-9
17.5.3 IRTC Hours and Minutes Counter Register (IRTC_HOURMIN) . . . . . . . . . . . . . . . 17-10
17.5.4 IRTC Seconds Counter Register (IRTC_SECONDS) . . . . . . . . . . . . . . . . . . . . . . . . 17-11
17.5.5 IRTC Year & Month Alarm Register (IRTC_ALM_YRMON) . . . . . . . . . . . . . . . . . 17-12
17.5.6 IRTC Days Alarm Register (IRTC_ALM_DAYS) . . . . . . . . . . . . . . . . . . . . . . . . . . 17-13
17.5.7 IRTC Hours and Minutes Alarm Register (IRTC_ALM_HM) . . . . . . . . . . . . . . . . . 17-14
17.5.8 IRTC Seconds Alarm Register (IRTC_ALM_SEC) . . . . . . . . . . . . . . . . . . . . . . . . . 17-15
17.5.9 IRTC Control Register (IRTC_CTRL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-16
17.5.10IRTC Status Register (IRTC_STATUS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-18
17.5.11IRTC Interrupt Status Register (IRTC_ISR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-20
17.5.12IRTC Interrupt Enable Register (IRTC_IER) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-21
17.5.13IRTC Countdown (Minutes) Timer Register (IRTC_COUNT_DN) . . . . . . . . . . . . . 17-24
17.5.14IRTC Configuration Data Register (IRTC_CFG_DATA) . . . . . . . . . . . . . . . . . . . . . 17-25
17.5.15IRTC Daylight Saving Hour Register (IRTC_DST_HOUR) . . . . . . . . . . . . . . . . . . . 17-25
17.5.16IRTC Daylight Saving Month Register (IRTC_DST_MNTH) . . . . . . . . . . . . . . . . . 17-26
17.5.17IRTC Daylight Saving Day Register (IRTC_DST_DAY) . . . . . . . . . . . . . . . . . . . . . 17-27
17.5.18IRTC Compensation Register (IRTC_COMPEN) . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-28
17.5.19IRTC Tamper Time Stamp Month & Year Register (IRTC_TTSR_MY) . . . . . . . . . 17-29
17.5.20IRTC Tamper Time Stamp Day Register (IRTC_TTSR_DAY) . . . . . . . . . . . . . . . . 17-30
17.5.21IRTC Tamper Time Stamp Hours & Minutes Register . . . . . . . . . . . . . . . . . . . . . . . 17-31
17.5.22IRTC Tamper Time Stamp Seconds Register (IRTC_TTSR_SEC) . . . . . . . . . . . . . . 17-32
17.5.23IRTC Up-Counter Higher Register (IRTC_UP_CNTR_H) . . . . . . . . . . . . . . . . . . . . 17-33
17.5.24IRTC Up-Counter Lower Register (IRTC_UP_CNTR_L) . . . . . . . . . . . . . . . . . . . . 17-33
17.7.1 IRTC Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-36
17.7.2 IRTC Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-36
17.7.3 IRTC Standby Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-36
17.7.4 IRTC Tamper Detect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-37
17.7.5 IRTC Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-37
17.8.1 Compensation Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-37
17.8.2 Write Protection Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-39
17.8.3 Tamper Detection Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-40
18.1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-1
18.1.2 Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-1
18.1.3 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
8-Bit Modulo Timer (MTIM)
Chapter 18
Freescale Semiconductor