S912XEP100J5MAG Freescale Semiconductor, S912XEP100J5MAG Datasheet - Page 818

• Manufacturer Part Number: S912XEP100J5MAG
• Description: MCU 64K FLASH 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of S912XEP100J5MAG

• 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: 119
• Program Memory Size: 1MB (1M x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.72 V ~ 5.5 V
• Data Converters: A/D 24x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 23 Voltage Regulator (S12VREGL3V3V1)
23.1.3
Figure 23-1
REG consists of three parallel subblocks, REG1, REG2 and REG3, providing three independent output
voltages.
818
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3. Shutdown mode
Controlled by VREGEN (see device level specification for connectivity of VREGEN).
This mode is characterized by minimum power consumption. The regulator outputs are in a high-
impedance state, only the POR feature is available, LVD, LVR and HTD are disabled. The API
internal RC oscillator clock is not available.
This mode must be used to disable the chip internal regulator VREG_3V3, i.e., to bypass the
VREG_3V3 to use external supplies.
Block Diagram
shows the function principle of VREG_3V3 by means of a block diagram. The regulator core
MC9S12XE-Family Reference Manual , Rev. 1.23
Freescale Semiconductor