Block Diagram
Block Diagram
VDDR
VDD1
VSS1,2
Voltage Regulator
128K, 256K Bytes Flash or ROM
2K, 4K Bytes EEPROM
6K, 12K Bytes RAM
VDDA
VSSA
VRH
VRL
AN00
AN01
AN02
AN03
AN04
AN05
AN06
AN07
AN08
AN09
AN10
AN11
AN12
AN13
AN14
AN15
PW0
PW1
PW2
PW3
PW4
PW5
SDA
SCL
RXCAN0
TXCAN0
RXCAN1
TXCAN1
RXD0
TXD0
RXD1
TXD1
MISO
MOSI
SCK
SS
VDDA
VSSA
VRH
VRL
PAD00
PAD01
PAD02
PAD03
PAD04
PAD05
PAD06
PAD07
PAD08
PAD09
PAD10
PAD11
PAD12
PAD13
PAD14
PAD15
PP0
PP1
PP2
PP3
PP4
PP5
PM0
PM1
CPU12
Periodic Interrupt
COP Watchdog
Clock Monitor
XFC
VDDPLL
VSSPLL
EXTAL
XTAL
RESET
TEST
PE0
PE1
PE4
PE5
PE6
VLCD
XADDR14
XADDR15
XADDR16
XADDR17
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
DATA9
DATA10
DATA11
DATA12
DATA13
DATA14
DATA15
PK0
PK1
PK2
PK3
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PL0
PL1
PL2
PL3
PL4
PL5
PL6
PL7
PE2
PE3
PE7
PK7
PLL
Clock and
Reset
Generation
Module
Breakpoints
XIRQ
IRQ
ECLK
MODA
MODB
VLCD
BP0
BP1
BP2
BP3
FP0
FP1
FP2
FP3
FP4
FP5
FP6
FP7
FP8
FP9
FP10
FP11
FP12
FP13
FP14
FP15
FP16
FP17
FP18
FP19
FP28
FP29
FP30
FP31
FP20
FP21
FP22
FP23
FP24
FP25
FP26
FP27
IOC4
IOC5
IOC6
IOC7
KWH0
KWH1
KWH2
KWH3
KWH4
KWH5
KWH6
KWH7
KWJ0
KWJ1
KWJ2
KWJ3
DDRP
DDRM
DDRE
PTE
PIX0
PIX1
PIX2
PIX3
ADDR0
ADDR1
ADDR2
ADDR3
ADDR4
ADDR5
ADDR6
ADDR7
ADDR8
ADDR9
ADDR10
ADDR11
ADDR12
ADDR13
ADDR14
ADDR15
PPAGE
IIC
CAN0
CAN1
DDRK
PTM
PTK
PTP
System
Integration
Module
Pulse
Width
Modulator
PTAD
BKGD
Single-Wire Background
Debug Module
Analog to
Digital
Converter
PM2
PM3
PM4
PM5
PS0
PS1
DDRS
PTS
LCD
Driver
Multiplexed Address/Data Bus
DDRB
SCI0
SCI1
SPI
PTB
PS2
PS3
PS4
PS5
PS6
PS7
VDDM1
VSSM1
PU0
PU1
PU2
PU3
PU4
PU5
PU6
PU7
VDDM2
VSSM2
PV0
PV1
DDRA
MOTOR0 and MOTOR1 Supply
PWM0
MOTOR0
PWM1
PWM2
MOTOR1
PWM3
M0C0M
M0C0P
M0C1M
M0C1P
M1C0M
M1C0P
M1C1M
M1C1P
PTA
DDRU
DDRL
Multiplexed Multiplexed
Narrow
Wide
Bus
Bus
PTL
MOTOR2 and MOTOR3 Supply
PWM4
R/W
LSTRB/TAGLO
NOACC/XCLKS
ECS/ROMCTL
IOC0
IOC1
IOC2
IOC3
MOTOR2
PWM5
PWM6
MOTOR3
PWM7
M2C0M
M2C0P
DDRV
DDRK
PTK
M3C0M
M3C0P
M3C1M
M3C1P
PTV
Pins
shown
in
BOLD
are not avail-
able in the 112 QFP
DDRE
PTU
PTE
M2C1M
M0C1P
PV2
PV3
PV4
PV5
PV6
PV7
VDDM3
VSSM2
PW0
PW1
MOTOR4 and MOTOR5 Supply
PWM8
MOTOR4
PWM9
PWM10
MOTOR5
PWM11
Supply pins
M4C0M
M4C0P
DDRW
Input Capture and
Output Compare
Timer
PTW
M4C1M
M4C1P
M5C0M
M5C0P
M5C1M
M5C1P
PW2
PW3
PW4
PW5
PW6
PW7
Pin
Interrupt
Logic
A/D Converter 5V &
Voltage Regulator
Reference
VDDA
VSSA
I/O Driver 5V
Internal Logic 2.5V
VDD1
VDDX1,2
VSS1,2
VSSX1,2
PLL 2.5V
VDDPLL
VSSPLL
Vreg Input 5V
VDDR
Figure 1. MC9S12H-Family Block Diagram
16-bit Microcontroller HCS12H Family, Rev. 11.1
6
PRELIMINARY
Freescale Semiconductor
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
