Datasheet
Chapter 1 MC9S12E128 Device Overview (MC9S12E128DGV1)
MC9S12E128 Data Sheet, Rev. 1.07
24 Freescale Semiconductor
1.1.3 Block Diagram
Figure 1-1. MC9S12E128 Block Diagram
32K / 64K / 128K Byte Flash EEPROM
2k / 4K / 8K Byte RAM
RESET
EXTAL
XTAL
SCI0
BKGD
R/
W
MODB/IPIPE1
XIRQ
NOACC/
XCLKS
System
Integration
Module
(SIM)
VDDR
CPU12
Periodic Interrupt
COP Watchdog
Clock Monitor
Single-wire Background
Debugger(DBG12)
CRG
XFC
Multiplexed Address/Data Bus
VRH
VRL
Multiplexed
Wide Bus
Multiplexed
VDDX
VSSX
Narrow Bus
IRQ
LSTRB/TAGLO
ECLK
MODA/IPIPE0
PA4
PA3
PA2
PA1
PA0
PA7
PA6
PA5
TEST
ADDR12
ADDR11
ADDR10
ADDR9
ADDR8
ADDR15
ADDR14
ADDR13
DATA12
DATA11
DATA10
DATA9
DATA8
DATA15
DATA14
DATA13
PB4
PB3
PB2
PB1
PB0
PB7
PB6
PB5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
ADDR7
ADDR6
ADDR5
DATA4
DATA3
DATA2
DATA1
DATA0
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
DATA7
DATA6
DATA5
PE3
PE4
PE5
PE6
PE7
PE0
PE1
PE2
IOC06
IOC16
IOC04
IOC17
IOC05
IOC07
IOC14
IOC15
PT3
PT4
PT5
PT6
PT7
PT0
PT1
PT2
ADC
AN2
AN6
AN0
AN7
AN1
AN3
AN4
AN5
PAD3
PAD4
PAD5
PAD6
PAD7
PAD0
PAD1
PAD2
RXD0
TXD0
PS3
PS4
PS5
PS0
PS1
PS2
SCI1
RXD1
TXD1
PQ3
PQ4
PQ5
PQ6
PQ0
PQ1
PQ2
PS6
PS7
I/O Driver 3.3V/5V
VDDA
VSSA
DDRA DDRB
PTA PTB
DDRE
PTE
PTT
DDRT
PTQ
PTS
Clock and
Reset
Generation
Voltage Regulator
VSSR
Debug Module
VDDR
VSSR
Voltage Regulator 3.3V/5V
TIM0
PW01
PW00
PAD
DAO0
DAO1
PP3
PP4
PP5
PP2
PTP
DDRP
AN10
AN11
AN8
AN9
PAD8
PAD9
PAD10
PAD11
PAD12
PAD13
KWAD3
KWAD4
KWAD5
KWAD6
KWAD7
KWAD0
KWAD1
KWAD2
KWAD8
KWAD9
KWAD10
KWAD11
KWAD12
KWAD13
TIM1
SPI
MISO
MOSI
SCK
RXD2
TXD2
PM7
PM4
PM5
PM6
SDA
SCL
PTM
SS
DDRM
DDRS
AN12
AN13
AN14
AN15
KWAD14
KWAD15
PAD14
PAD15
Signals shown in Bold are not available on the 80 Pin Package
PM0
PM1
PK3
PK4
PK5
PK6
PK0
PK1
PK2
DDRK
PTK
XADDR14
XADDR15
XADDR16
XADDR17
XADDR18
XADDR19
XCS
VDDPLL
VSSPLL
PLL 2.5V
VDD1,2
VSS1,2
Internal Logic 2.5V
IIC
SCI2
PP0
PP1
PU3
PU4
PU5
PU6
PU7
PU0
PU1
PU2
PTU
DDRU
PM3
PMF
PW03
PW02
PW05
PW04
FAULT1
FAULT0
FAULT3
FAULT2
IS1
IS0
IS2
PK7
ECS
ADC/DAC 3.3V/5V
Voltage Reference
Breakpoints
DAC0
DAC1
DDRQ
MODC/TAGHI
IOC24
IOC25
IOC26
IOC27
TIM2
PW12
PW13
PW14
PW15
PWM
PW10
PW11
MUX
DDRAD