S912XEG128J2MAA Datasheet, PDF (32/1324 Pages) Freescale Semiconductor, Inc – Microcontrollers

Chapter 1 Device Overview MC9S12XE-Family
1.1.3 Block Diagram
Figure 1-1 shows a block diagram of the MC9S12XE-Family devices
VDDR
VDD
VDDF
VDDPLL
BKGD
EXTAL
XTAL
RESET
TEST
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
PK[7:0]
PA[7:0]
PB[7:0]
PC[7:0]
PD[7:0]
PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
128K … 1M bytes Flash
12K … 64K bytes RAM
2K … 4K bytes EEPROM
Voltage Regulator
CPU12X
Debug Module
Single-wire Background 4 address breakpoints
Debug Module
2 data breakpoints
512 Byte Trace Buffer
Amplitude Controlled
Low Power Pierce or
Full drive Pierce
Oscillator
IPLL with Frequency
Modulation option
Clock Monitor
COP Watchdog
Periodic Interrupt
Async. Periodic Int.
INT
Reset Generation
and Test Entry
Enhanced Multilevel
Interrupt Module
XIRQ
IRQ
RW/WE
LSTRB/LDS
ECLK
MODA/TAGLO/RE
MODB/TAGHI
XCLKS/ECLKX2
EWAIT
MPU
Memory Protection
8 regions
PIT
8ch 16-bit Timer
ADDR[22:16]
ADDR[15:8]
ADDR[7:0]
DATA[15:8]
DATA[7:0]
CS0
CS1
CS2
CS3
SDA
IIC0
SCL
Inter IC Module
RXD
SCI3
TXD Asynchronous Serial IF
ATD0
8/10/12-bit 16-channel ^AN[15:0]
Analog-Digital Converter
ATD1
8/10/12-bit 16-channel ^AN[15:0]
Analog-Digital Converter
ECT
16-bit 8 channel
IOC[7:0]
Enhanced Capture Timer
TIM
16-bit 8 channel
Timer
IOC[7:0]
PWM
8-bit 8 channel
PWM[7:0]
Pulse Width Modulator
SCI0
RXD
Asynchronous Serial IF TXD
SCI1
RXD
Asynchronous Serial IF TXD
SPI0
MISO
MOSI
SCK
Synchronous Serial IF
SS
SPI1
MISO
MOSI
SCK
Synchronous Serial IF
SS
SPI2
MISO
MOSI
SCK
Synchronous Serial IF
SS
CAN0
RXCAN
msCAN 2.0B
TXCAN
CAN1
RXCAN
msCAN 2.0B
TXCAN
CAN2
RXCAN
msCAN 2.0B
TXCAN
CAN3
RXCAN
msCAN 2.0B
TXCAN
SCI4
RXD
Asynchronous Serial IF TXD
SCI5
RXD
Asynchronous Serial IF TXD
SCI6
RXD
Asynchronous Serial IF TXD
SCI7
RXD
Asynchronous Serial IF TXD
SCI2
RXD
Asynchronous Serial IF TXD
IIC1
Inter IC Module
CAN4
msCAN 2.0B
SDA
SCL
RXCAN
TXCAN
Figure 1-1. MC9S12XE-Family Block Diagram
PAD[15:0]
PAD[31:16]
PT[7:0]
PR[7:0]
PP[7:0]
PS0
PS1
PS2
PS3
PS4
PS5
PS6
PS7
PH0
PH1
PH2
PH3
PH4
PH5
PH6
PH7
PM0
PM1
PM2
PM3
PM4
PM5
PM6
PM7
PL0
PL1
PL2
PL3
PL4
PL5
PL6
PL7
PJ0
PJ1
PJ2
PJ3
PJ4
PJ5
PJ6
PJ7
MC9S12XE-Family Reference Manual Rev. 1.25
32
Freescale Semiconductor