MC9S12XEQ512CAL Freescale Semiconductor, MC9S12XEQ512CAL Datasheet - Page 617

• Manufacturer Part Number: MC9S12XEQ512CAL
• Description: MCU 16BIT 512K FLASH 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XEQ512CAL

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 50MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 91
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.72 V ~ 5.5 V
• Data Converters: A/D 16x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• No. Of I/o's: 91
• Eeprom Memory Size: 4KB
• Ram Memory Size: 32KB
• Cpu Speed: 50MHz
• No. Of Timers: 3
• No. Of Pwm Channels: 8
• Digital Ic Case Style: LQFP
• Rohs Compliant: Yes
• Processor Series: S12XE
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 32 KB
• Interface Type: CAN, SCI, SPI
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 91
• Number Of Timers: 25
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: KIT33812ECUEVME, EVB9S12XEP100, DEMO9S12XEP100
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 16 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

16.3.2.3
The CANBTR0 register configures various CAN bus timing parameters of the MSCAN module.
1. Read: Anytime
Freescale Semiconductor
Module Base + 0x0002
Write: Anytime in initialization mode (INITRQ = 1 and INITAK = 1)
SJW[1:0]
BRP[5:0]
SLPAK
INITAK
Field
Field
7-6
5-0
1
0
Reset:
W
R
Sleep Mode Acknowledge — This flag indicates whether the MSCAN module has entered sleep mode (see
Section 16.4.5.5, “MSCAN Sleep
Sleep mode is active when SLPRQ = 1 and SLPAK = 1. Depending on the setting of WUPE, the MSCAN will
clear the flag if it detects activity on the CAN bus while in sleep mode.
0 Running — The MSCAN operates normally
1 Sleep mode active — The MSCAN has entered sleep mode
Initialization Mode Acknowledge — This flag indicates whether the MSCAN module is in initialization mode
(see
mode request. Initialization mode is active when INITRQ = 1 and INITAK = 1. The registers CANCTL1,
CANBTR0, CANBTR1, CANIDAC, CANIDAR0–CANIDAR7, and CANIDMR0–CANIDMR7 can be written only by
the CPU when the MSCAN is in initialization mode.
0 Running — The MSCAN operates normally
1 Initialization mode active — The MSCAN has entered initialization mode
Synchronization Jump Width — The synchronization jump width defines the maximum number of time quanta
(Tq) clock cycles a bit can be shortened or lengthened to achieve resynchronization to data transitions on the
CAN bus (see
Baud Rate Prescaler — These bits determine the time quanta (Tq) clock which is used to build up the bit timing
(see
MSCAN Bus Timing Register 0 (CANBTR0)
SJW1
Section 16.4.4.5, “MSCAN Initialization
Table
0
7
16-7).
Table 16-4. CANCTL1 Register Field Descriptions (continued)
Table
Figure 16-6. MSCAN Bus Timing Register 0 (CANBTR0)
SJW1
SJW0
Table 16-5. CANBTR0 Register Field Descriptions
0
0
1
1
6
0
16-6).
MC9S12XE-Family Reference Manual Rev. 1.23
Table 16-6. Synchronization Jump Width
BRP5
0
Mode”). It is used as a handshake flag for the SLPRQ sleep mode request.
5
Chapter 16 Freescale’s Scalable Controller Area Network (S12MSCANV3)
Mode”). It is used as a handshake flag for the INITRQ initialization
BRP4
SJW0
4
0
0
1
0
1
Description
Description
BRP3
0
3
Synchronization Jump Width
BRP2
2 Tq clock cycles
3 Tq clock cycles
4 Tq clock cycles
2
0
1 Tq clock cycle
Access: User read/write
BRP1
0
1
BRP0
0
0
617
(1)