MC9S12P64CFT Freescale Semiconductor, MC9S12P64CFT Datasheet - Page 112
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MC9S12P64CFT
Manufacturer Part Number
MC9S12P64CFT
Description
MCU 16BIT 64K FLASH 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.S9S12P32J0MFT.pdf
(566 pages)
Specifications of MC9S12P64CFT
Core Processor
HCS12
Core Size
16-Bit
Speed
32MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.72 V ~ 5.5 V
Data Converters
A/D 10x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QFN Exposed Pad
Processor Series
S12P
Core
HCS12
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
KIT33812ECUEVME, DEMO9S12PFAME
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Memory Map Control (S12PMMCV1)
3.3.2.3
Read: Anytime
Write: Anytime
These four index bits are used to map 16KB blocks into the Flash page window located in the local (CPU
or BDM) memory map from address 0x8000 to address 0xBFFF (see
up to 256 KB of Flash (in the Global map) within the 64KB Local map. The PPAGE index register is
effectively used to construct paged Flash addresses in the Local map format. The CPU has special access
to read and write this register directly during execution of CALL and RTC instructions.
112
Address: 0x0030
DP[15:8]
Reset
Field
7–0
W
R
MOVB
LDY
Direct Page Index Bits 15–8 — These bits are used by the CPU when performing accesses using the direct
addressing mode. These register bits form bits [15:8] of the local address (see
Example 3-1. This example demonstrates usage of the Direct Addressing Mode
Program Page Index Register (PPAGE)
0
0
7
#$80,DIRECT
<$00
Bit15
0
0
6
Figure 3-7. Program Page Index Register (PPAGE)
Figure 3-6. DIRECT Address Mapping
S12P-Family Reference Manual, Rev. 1.13
Table 3-6. DIRECT Field Descriptions
DP [15:8]
0
0
5
;Set DIRECT register to 0x80. Write once only.
;Global data accesses to the range 0xXX_80XX can be direct.
;Logical data accesses to the range 0x80XX are direct.
;Load the Y index register from 0x8000 (direct access).
;< operator forces direct access on some assemblers but in
;many cases assemblers are “direct page aware” and can
;automatically select direct mode.
CPU Address [15:0]
0
0
4
Bit8
Description
Bit7
PIX3
1
3
Figure
PIX2
1
2
Bit0
3-8). This supports accessing
Figure
Freescale Semiconductor
3-6).
PIX1
1
1
PIX0
0
0
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