AN2727 Freescale Semiconductor / Motorola, AN2727 Datasheet - Page 3

• Manufacturer Part Number: AN2727
• Description: Designing Hardware for the HCS12 D-Family
• Manufacturer: Freescale Semiconductor / Motorola

Freescale Semiconductor
VREGEN
Multiplexed
Wide Bus
Multiplexed
Narrow Bus
VDDPLL
VSSPLL
VDD1,2
VSS1,2
RESET
EXTAL
VDDPLL
VDDR
VSSPLL
BKGD
VSSR
XTAL
TEST
Not all functionality shown in this
Block diagram is available in all Versions.
VDD1,2
PLL 2.5V
VSS1,2
Internal Logic 2.5V
XFC
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
Single-wire Background
PLL
Debug Module
32K - 512K Byte Flash EEPROM
Multiplexed Address/Data Bus
DDRA
PTA
Clock and
Reset
Generation
Module
1K - 4K Byte EEPROM
2K - 14K Byte RAM
Voltage Regulator
XIRQ
IRQ
R/W
LSTRB
ECLK
MODA
MODB
NOACC/XCLKS
ATD Converter 5V &
Voltage Regulator Reference
Voltage Regulator 5V & I/O
I/O Driver 5V
VDDR
VDDX
VDDA
VSSX
VSSA
VSSR
Designing Hardware for the HCS12 D-Family, Rev. 0
Periodic Interrupt
COP Watchdog
Clock Monitor
Breakpoints
CPU12
Integration
DDRB
System
Module
PTB
(SIM)
ATD0
SCI0
SCI1
SPI0
BDLC
(J1850)
CAN0
CAN1
CAN2
CAN3
CAN4
IIC
PWM
SPI1
SPI2
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
Enhanced Capture
Timer
PPAGE
RXCAN
RXCAN
RXCAN
RXCAN
RXCAN
VDDA
TXCAN
TXCAN
TXCAN
TXCAN
TXCAN
VSSA
PWM0
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
VRH
VRL
MISO
MOSI
MISO
MOSI
MISO
MOSI
SCK
RXB
SDA
TXB
SCL
SCK
SCK
SS
SS
SS
PAD00
PAD01
PAD02
PAD03
PAD04
PAD05
PAD06
PAD07
KWP0
KWP1
KWP2
KWP3
KWP4
KWP5
KWP6
KWP7
KWH0
KWH1
KWH2
KWH4
KWH5
KWH6
KWH7
KWJ0
KWJ1
KWJ6
KWJ7
KWH3
IOC0
IOC1
IOC2
IOC3
IOC4
IOC5
IOC6
IOC7
PIX5
PIX0
PIX1
PIX2
PIX3
PIX4
ECS
RXD
RXD
TXD
TXD
ATD1
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
VDDA
VSSA
Recommended Documentation
VRH
VRL
PT0
PT7
PK3
PT1
PT2
PT3
PT4
PT5
PT6
PM4
PM5
PH1
PH2
PH3
PH4
PH5
PH6
VRH
VRL
VDDA
VSSA
PAD08
PAD09
PAD10
PAD11
PAD12
PAD13
PAD14
PAD15
PK0
PK1
PK2
PK4
PK5
PK7
PS0
PS1
PS2
PS3
PS4
PS5
PS6
PS7
PM0
PM1
PM2
PM3
PM6
PM7
PJ0
PJ1
PJ6
PJ7
PP0
PP1
PP2
PP3
PP4
PP5
PP6
PP7
PH0
PH7
XADDR14
XADDR15
XADDR16
XADDR17
XADDR18
XADDR19
ECS/ROMONE
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