Chapter 1 Device Overview MC9S12XE-Family
MC9S12XE-Family Reference Manual , Rev. 1.19
32
Freescale Semiconductor
1.1.3
Block Diagram
shows a block diagram of the MC9S12XE-Family devices
Figure 1-1.
MC9S12XE-Family Block Diagram
12K … 64K bytes RAM
RESET
EXTAL
XTAL
2K … 4K bytes EEPROM
BKGD
VDDR
Periodic Interrupt
Clock Monitor
Single-wire Background
TEST
Voltage Regulator
Debug Module
VDD
ATD0
Enhanced Multilevel
Interrupt Module
IOC[7:0]
PT[7:0]
PTT
PTAD0
SCI0
MISO
MOSI
PS3
PS0
PS1
PS2
SCK
SS
SPI0
PTS
AN[15:0]
PAD[15:0]
VDDPLL
XGATE
X
16-bit 8 channel
PR[7:0]
PTR
8/10/12-bit 16-channel
Analog-Digital Converter
Enhanced Capture Timer
ECT
IOC[7:0]
16-bit 8 channel
Timer
TIM
ATD1
PTAD1
AN[15:0]
PAD[31:16]
8/10/12-bit 16-channel
Analog-Digital Converter
Asynchronous Serial IF
PP[7:0]
PTP (Int)
PWM[7:0]
8-bit 8 channel
Pulse Width Modulator
PWM
PIT
PD[7:0]
PTD
PC[7:0]
PTC
DATA[15:8]
DATA[7:0]
PB[7:0]
PTB
ADDR[7:0]
PA[7:0]
PTA
ADDR[15:8]
PK[7:0]
PTK
ADDR[22:16]
EWAIT
XIRQ
XCLKS/ECLKX2
IRQ
ECLK
PE4
PE3
PE2
PE1
PE0
PE7
PE6
PE5
PTE
RW/WE
LSTRB/LDS
MODA/TAGLO/RE
MODB/TAGHI
VDDF
128K … 1M bytes Flash
CPU12X
Amplitude Controlled
Low Power Pierce or
Full drive Pierce
Oscillator
COP Watchdog
IPLL with Frequency
Modulation option
Debug Module
4 address breakpoints
2 data breakpoints
512 Byte Trace Buffer
Reset Generation
and Test Entry
RXD
TXD
SCI1
Asynchronous Serial IF
RXD
TXD
PS7
PS4
PS5
PS6
MISO
MOSI
PH3
PH0
PH1
PH2
SCK
SS
SPI2
PTH (Wake-up Int)
PH7
PH4
PH5
PH6
MISO
MOSI
SCK
SS
SPI1
CAN0
PM3
PM0
PM1
PM2
PTM
msCAN 2.0B
RXCAN
TXCAN
CAN1
msCAN 2.0B
RXCAN
TXCAN
PM7
PM4
PM5
PM6
CAN2
msCAN 2.0B
RXCAN
TXCAN
CAN3
msCAN 2.0B
RXCAN
TXCAN
SCI4
PL3
PL0
PL1
PL2
PTL
Asynchronous Serial IF
RXD
TXD
SCI5
Asynchronous Serial IF
RXD
TXD
PL7
PL4
PL5
PL6
SCI6
Asynchronous Serial IF
RXD
TXD
SCI7
Asynchronous Serial IF
RXD
TXD
SCI2
PJ3
PJ0
PJ1
PJ2
PTJ (Wake-up Int.)
Asynchronous Serial IF
RXD
TXD
PJ7
PJ4
PJ5
PJ6
IIC1
Inter IC Module
SDA
SCL
CAN4
msCAN 2.0B
RXCAN
TXCAN
PF3
PF0
PF1
PF2
PTF
CS0
CS1
PF7
PF4
PF5
PF6
IIC0
Inter IC Module
SDA
SCL
SCI3
Asynchronous Serial IF
RXD
TXD
CS2
CS3
Synchronous Serial IF
Synchronous Serial IF
Synchronous Serial IF
Non-Multiplexed External Bus Interface
Async. Periodic Int.
8ch 16-bit Timer
Memory Protection
MPU
8 regions
INT
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
S12XE
products
in
208
MAPBGA
packages