![](http://datasheet.mmic.net.cn/370000/P9S12XEP100J1VVLR_datasheet_16728329/P9S12XEP100J1VVLR_26.png)
Chapter 1 Device Overview MC9S12XE-Family
MC9S12XE-Family Reference Manual , Rev. 1.07
26
Freescale Semiconductor
1.1.3
Block Diagram
Figure 1-1
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
VDD
VDDF
Periodic Interrupt
Async. Periodic Int.
INT
Clock Monitor
COP Watchdog
Single-wire Background
Debug Module
TEST
Voltage Regulator
ATD0
Enhanced Multilevel
Interrupt Module
IOC[7:0]
PT[7:0]
P
P
SCI0
Asynchronous Serial IF
SCI1
Asynchronous Serial IF
MISO
MOSI
SCK
SS
MISO
MOSI
SCK
SS
PS3
PS4
PS5
PS6
PS0
PS1
PS2
SPI0
P
AN[15:0]
PAD[15:0]
VDDPLL
X
X
16-bit 8 channel
Enhanced Capture Timer
TIM
PR[7:0]
P
8/10/12-bit 16-channel
Analog-Digital Converter
ATD1
ECT
IOC[7:0]
16-bit 8 channel
Timer
P
AN[15:0]
PAD[31:16]
8/10/12-bit 16-channel
Analog-Digital Converter
PP[7:0]
P
PWM[7:0]
8-bit 8 channel
Pulse Width Modulator
PWM
PIT
8ch 16-bit Timer
PD[7:0]
P
PC[7:0]
P
DATA[15:8]
DATA[7:0]
PB[7:0]
P
ADDR[7:0]
PA[7:0]
P
ADDR[15:8]
PK[7:0]
P
ADDR[22:16]
EWAIT
XIRQ
IRQ
RW/WE
LSTRB/LDS
XCLKS/ECLKX2
ECLK
MODA/TAGLO/RE
MODB/TAGHI
PE4
PE5
PE3
PE2
PE1
PE0
PE7
PE6
P
128K … 1M bytes Flash
CPU12X
Amplitude Controlled
Low Power Pierce or
Full drive Pierce
Oscillator
IPLL with Frequency
Modulation option
Debug Module
4 address breakpoints
2 data breakpoints
512 Byte Trace Buffer
Reset Generation
and Test Entry
RXD
TXD
RXD
TXD
PS7
PH0
PH1
PH2
MISO
MOSI
SCK
SS
RXCAN
TXCAN
RXCAN
TXCAN
RXCAN
TXCAN
RXCAN
TXCAN
RXD
TXD
RXD
TXD
RXD
TXD
RXD
TXD
RXD
TXD
PH3
PH4
PH5
PH6
SPI2
P
PH7
PM0
PM1
PM2
SPI1
CAN0
msCAN 2.0B
CAN1
msCAN 2.0B
CAN2
msCAN 2.0B
CAN3
msCAN 2.0B
SCI4
Asynchronous Serial IF
SCI5
Asynchronous Serial IF
SCI6
Asynchronous Serial IF
SCI7
Asynchronous Serial IF
SCI2
Asynchronous Serial IF
PM3
PM4
PM5
PM6
P
PM7
PL0
PL1
PL2
PL3
PL4
PL5
PL6
P
PL7
PJ0
PJ1
PJ2
PJ3
PJ4
PJ5
PJ6
P
PJ7
IIC1
Inter IC Module
CAN4
msCAN 2.0B
SDA
SCL
RXCAN
TXCAN
PF3
PF4
PF5
PF6
PF0
PF1
PF2
P
CS0
CS1
CS2
CS3
PF7
IIC0
Inter IC Module
SDA
SCL
RXD
TXD
SCI3
Asynchronous Serial IF
Synchronous Serial IF
Synchronous Serial IF
Synchronous Serial IF
N
Memory Protection
8 regions
MPU