MM912H634CV1AE Freescale Semiconductor, MM912H634CV1AE Datasheet - Page 166

• Manufacturer Part Number: MM912H634CV1AE
• Description: 64KS12 LIN2xLS/HS Isense
• Manufacturer: Freescale Semiconductor
• Series: -r

Specifications of MM912H634CV1AE

• Applications: Automotive
• Core Processor: HCS12
• Program Memory Type: FLASH (64 kB)
• Controller Series: HCS12
• Ram Size: 6K x 8
• Interface: LIN
• Number Of I /o: -
• Voltage - Supply: 5.5 V ~ 27 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

4.29.1.4.2
S12I derives can be secured to prohibit external access to the on-chip P-Flash. The S12PMMC module determines the access
permissions to the on-chip memories in secured and unsecured state.
4.29.1.5
Figure 47
4.29.2
The S12PMMC uses two external pins to determine the devices operating mode: RESET and MODC
User Guide (DUG) for the mapping of these signals to device pins.
4.29.3
4.29.3.1
A summary of the registers associated with the S12PMMC block is shown in
bits are given in the subsections that follow.
Freescale Semiconductor
(See DUG)
(See DUG)
Pin Name
RESET
MODC
shows a block diagram of the S12PMMC.
External Signal Description
Memory Map and Registers
Block Diagram
Module Memory Map
Security
MMC
Pin Functions
D-Flash
RESET
MODC
Table 244. External System Pins Associated With S12PMMC
BDM
Address Decoder & Priority
Target Bus Controller
Figure 47. S12PMMC Block Diagram
P-Flash
MM912_634 Advance Information, Rev. 4.0
The MODC pin is captured at the rising edge of the RESET pin. The captured value
The RESET pin is used the select the MCU’s operating mode.
RAM
determines the MCU’s operating mode.
Table
CPU
Description
Peripherals
245. Detailed descriptions of the registers and
(Table
DBG
244) See Device
166