Chapter 1 Device Overview MC9S12XD-Family
MC9S12XDP512 Data Sheet, Rev. 2.17
Freescale Semiconductor
35
Figure 1-1. MC9S12XD-Family Block Diagram
512/384/256/128/64-Kbyte Flash
32/20/16/14/10/8/4-Kbyte RAM
Enhanced Capture
Timer
RESET
TEST
EXTAL
XTAL
SCI0
4/2/1-Kbyte EEPROM
BKGD
R/W/WE
LSTRB/LDS/EROMCTL
ECLK
MODA/RE/TAGLO
MODB/TAGHI
ECLKX2/XCLKS
IQSTAT0
IQSTAT1
XIRQ
IRQ
CPU12X
Periodic Interrupt
COP Watchdog
Clock Monitor
Breakpoints
PLL
V
XFC
V
DDPLL
V
DDA
V
SSA
V
RH
V
RL
ATD0
PA4
PA3
PA2
PA1
PA0
PB7
PB6
PB5
PA7
PA6
PA5
ADDR12
ADDR11
ADDR10
ADDR9
ADDR8
ADDR7
ADDR6
ADDR5
ADDR15
ADDR14
ADDR13
PB4
PB3
PB2
PB1
PB0
PC7
PC6
PC5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
PE3
PE4
PE5
PE6
PE7
PK0
PK1
PK2
PE0
PE1
PE2
AN2
AN3
AN4
AN5
AN6
AN7
AN0
AN1
PAD03
PAD04
PAD05
PAD06
PAD07
PAD00
PAD01
PAD02
IOC2
IOC3
IOC4
IOC5
IOC6
IOC7
RXD
TXD
RXD
TXD
IOC0
IOC1
PT3
PT4
PT5
PT6
PT7
PS0
PS1
PS2
PT0
PT1
PT2
MISO
MOSI
SCK
SS
RXCAN
TXCAN
RXCAN
TXCAN
RXCAN
TXCAN
RXCAN
TXCAN
PS3
PS4
PS5
PS6
PS7
PM0
SCI1
PP3
PP4
PP5
PP6
PP7
PH0
PH1
PH2
PP0
PP1
PP2
SPI0
IIC0
SDA
SCL
PWM0
PWM1
PJ2
CS1
PJ4
CS0
PJ5
CS2
CAN0
PM1
PM2
PM3
PM4
PM5
PM6
PM7
CAN1
CAN2
KWH2
KWH3
KWH4
KWH5
KWH6
KWH7
KWH0
KWH1
PH3
PH4
PH5
PH6
PH7
KWJ0
KWJ1
KWJ2
KWJ4
KWJ5
KWJ6
KWJ7
PJ0 CS3
PJ1
D
D
P
P
D
P
D
P
D
P
D
P
D
P
D
P
D
P
D
V
DDR1,2
V
SSR1,2
Voltage Regulator 3-5 V
CAN4
RXCAN
TXCAN
RXD
TXD
MISO
MOSI
SCK
SS
SPI2
MISO
MOSI
SCK
SS
SPI1
KWP2
KWP3
KWP4
KWP5
KWP6
KWP7
KWP0
KWP1
S
M
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM
8-Bit PPAGE
Allows 4-MByte
Program space
IQSTAT2
IQSTAT3
ACC0
ACC2
ROMCTL/EWAIT
PK3
PK4
PK5
PK6
PK7
ADDR19
ADDR20
ADDR21
ADDR22
EWAIT
ADDR16
ADDR17
ADDR18
P
D
ACC1
V
RH
V
RL
V
DDA
V
SSA
V
DDA
V
SSA
V
RH
V
RL
ATD1
AN10
AN11
AN12
AN13
AN14
AN15
AN16
AN17
AN8
AN9
PAD11
PAD12
PAD13
PAD14
PAD15
PAD16
PAD17
PAD18
PAD08
PAD09
PAD10
D
AN18
AN19
AN20
AN21
AN22
AN23
PAD19
PAD20
PAD21
PAD22
PAD23
PC4
PC3
PC2
PC1
PC0
PD7
PD6
PD5
DATA12
DATA11
DATA10
DATA9
DATA8
DATA7
DATA6
DATA5
DATA15
DATA14
DATA13
PD4
PD3
PD2
PD1
PD0
DATA4
DATA3
DATA2
DATA1
DATA0
D
D
P
P
SCI2
PJ6
PJ7
N
V
DDX1,2
V
SSX1,2
I/O Supply 3-5 V
VDDA
VSSA
Analog Supply 3-5 V
V
DDPLL
V
SSPLL
PLL Supply 2.5 V
Enhanced Multilevel
Interrupt Module
XGATE
Peripheral Co-Processor
V
DD1,2
V
SS1,2
Digital Supply 2.5 V
S
SCI3
RXD
TXD
SCI4
RXD
TXD
RXD
TXD
SCI5
IIC1
SDA
SCL
Timer
4-Channel
16-Bit with Prescaler
for Internal Timebases
CAN3
UDS
Single-Wire
Background
Debug Module
V
DDR
V
SSR
V
REGEN
Voltage Regulator
V
DD1,2
V
SS1,2
Clock
and Reset
Generation
Module