sc9s12hy64j0vllr Freescale Semiconductor, Inc, sc9s12hy64j0vllr Datasheet - Page 137

• Manufacturer Part Number: sc9s12hy64j0vllr
• Description: S12 Microcontrollers Mcu 16-bit Hcs12 Cisc 32kb Flash 5v Tray
• Manufacturer: Freescale Semiconductor, Inc

3.2
The S12PMMC uses two external pins to determine the devices operating mode: RESET and MODC
(Figure
3.3
3.3.1
A summary of the registers associated with the S12PMMC block is shown in
descriptions of the registers and bits are given in the subsections that follow.
Freescale Semiconductor
(See DUG)
(See DUG)
Pin Name
RESET
MODC
3-3) See Device User Guide (DUG) for the mapping of these signals to device pins.
External Signal Description
Memory Map and Registers
Module Memory Map
MMC
Pin Functions
D-Flash
Table 3-3. External System Pins Associated With S12PMMC
RESET
MODC
BDM
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Address Decoder & Priority
Figure 3-1. S12PMMC Block Diagram
Target Bus Controller
The RESET pin is used the select the MCU’s operating mode.
The MODC pin is captured at the rising edge of the RESET pin. The captured
value determines the MCU’s operating mode.
P-Flash
RAM
Description
CPU
Peripherals
S12P Memory Map Control (S12PMMCV1)
Figure
DBG
3-2. Detailed
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