MC9S12DP512CPVE Freescale, MC9S12DP512CPVE Datasheet - Page 69

• Manufacturer Part Number: MC9S12DP512CPVE
• Manufacturer: Freescale

Specifications of MC9S12DP512CPVE

• Cpu Family: HCS12
• Device Core Size: 16b
• Frequency (max): 25MHz
• Interface Type: CAN/I2C/SCI/SPI
• Total Internal Ram Size: 14KB
• Number Of Timers - General Purpose: 8
• Operating Supply Voltage (typ): 2.5/5V
• Operating Supply Voltage (max): 2.75/5.25V
• Operating Supply Voltage (min): 2.35/4.5V
• On-chip Adc: 2(8-chx10-bit)
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 112
• Package Type: LQFP
• Program Memory Type: Flash
• Program Memory Size: 512KB
• Lead Free Status / RoHS Status: Compliant

Section 4 Modes of Operation
4.1 Overview
Eight possible modes determine the operating configuration of the MC9S12DP512. Each mode has an
associated default memory map and external bus configuration controlled by a further pin.
Three low power modes exist for the device (Section 4.4 Low Power Modes).
4.2 Chip Configuration Summary
The operating mode out of reset is determined by the states of the MODC, MODB, and MODA pins during
reset (Table 4-1). The MODC, MODB, and MODA bits in the MODE register show the current operating
mode and provide limited mode switching during operation. The states of the MODC, MODB, and MODA
pins are latched into these bits on the rising edge of the reset signal. The ROMCTL signal allows the setting
of the ROMON bit in the MISC register thus controlling whether the internal Flash is visible in the
memory map. ROMON = 1 means the Flash is visible in the memory map. The state of the ROMCTL pin
is latched into the ROMON bit in the MISC register on the rising edge of the reset signal.
For further explanation on the modes refer to the HCS12 Multiplexed External Bus Interface (MEBI)
Block Guide.
BKGD =
MODC
0
0
0
0
1
1
1
1
MODB
PE6 =
0
0
1
1
0
0
1
1
MODA
PE5 =
0
1
0
1
0
1
0
1
ROMCTL
PK7 =
Table 4-1 Mode Selection
X
X
X
X
0
1
0
1
0
1
0
1
ROMON
Bit
1
1
0
0
1
0
1
0
1
1
0
1
Special Single Chip, BDM allowed and ACTIVE. BDM is
allowed in all other modes but a serial command is
required to make BDM active.
Emulation Expanded Narrow, BDM allowed
Special Test (Expanded Wide), BDM allowed
Emulation Expanded Wide, BDM allowed
Normal Single Chip, BDM allowed
Normal Expanded Narrow, BDM allowed
Peripheral; BDM allowed but bus operations would cause
bus conflicts (must not be used)
Normal Expanded Wide, BDM allowed
MC9S12DP512 Device Guide V01.25
Mode Description
69