S912XET512J3VALR Freescale Semiconductor, S912XET512J3VALR Datasheet - Page 816

• Manufacturer Part Number: S912XET512J3VALR
• Description: 16-bit Microcontrollers - MCU 16 BIT,512K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of S912XET512J3VALR

• Rohs: yes
• Core: HCS12X
• Processor Series: MC9S12XE
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 512 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3.13 V to 5.5 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-112
• Mounting Style: SMD/SMT

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.
816
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. 1.25
Freescale Semiconductor