MC9S12HZ256 Datasheet, PDF (24/692 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 1 MC9S12HZ256 Device Overview
1.1.3 Block Diagram
VDDR
VDD1
VSS1,2
BKGD
XFC
VDDPLL
VSSPLL
EXTAL
XTAL
RESET
TEST
PE0
PE1
PE4
PE5
PE6
VLCD
XADDR14 PK0
XADDR15 PK1
XADDR16 PK2
XADDR17 PK3
DATA0 PB0
DATA1 PB1
DATA2 PB2
DATA3 PB3
DATA4 PB4
DATA5 PB5
DATA6 PB6
DATA7 PB7
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8 PA0
DATA9 PA1
DATA10 PA2
DATA11 PA3
DATA12 PA4
DATA13 PA5
DATA14 PA6
DATA15 PA7
Multiplexed Multiplexed _PL0
Narrow
Bus
Wide
Bus
PL1
PL2
PL3
PL4
PL5
PL6
PL7
PE2
PE3
PE7
PK7
PT0
PT1
PT2
PT3
PT4
PT5
PT6
PT7
Voltage Regulator
256K, 128K, 64K, 32K Bytes Flash or ROM
2K Bytes EEPROM
12K, 6K, 4K, 2K Bytes RAM
Single-Wire Background
Debug Module
S12 CPU
Clock and
PLL
Reset
Generation
Module
Periodic Interrupt
COP Watchdog
Clock Monitor
Breakpoints
XIRQ
IRQ
ECLK
MODA
MODB
System
Integration
Module
VLCD
BP0
BP1
BP2
BP3
PIX0
PIX1
PIX2
PIX3
FP0
FP1
FP2
FP3 _LCD
FP4 _Driver
FP5
FP6
FP7
ADDR0
ADDR1
ADDR2
ADDR3
ADDR4
ADDR5
ADDR6
ADDR7
FP8
FP9
FP10
FP11
FP12
FP13
FP14
FP15
FP16
FP17
FP18
FP19
FP28
FP29
FP30
FP31
ADDR8
ADDR9
ADDR10
ADDR11
ADDR12
ADDR13
ADDR14
ADDR15
AN8
AN9
AN10
AN11
AN12
AN13
AN14
AN15
FP20
FP21
FP22
R/W
LSTRB/TAGLO
NOACC/XCLKS
FP23
ECS/ROMCTL
FP24
FP25
FP26
FP27
IOC0
IOC1
IOC2
IOC3
IOC4
IOC5
IOC6
IOC7
Input Capture and
Output Compare
Timer
VDDA
Analog to _VSSA
Digital
VRH
Converter ^VRL
AN8
AN0
AN9
AN1
AN10
AN2
AN11
AN3
AN12
AN4
AN13
AN5
AN14
AN6
AN15
AN7
KWAD0
KWAD1
KWAD2
KWAD3
KWAD4
KWAD5
KWAD6
KWAD7
TXD1
SCI1
RXD1
IIC
SDA
SCL
PW0
Pulse
PW1
Width ^PW2
Modulator ^PW3
PW4
PW5
CAN0
CAN1
RXCAN0
TXCAN0
RXCAN1
TXCAN1
SCI0
RXD0
TXD0
MISO
SPI
MOSI
SCK
SS
SSD0
SSD1
M0COSM
M0COSP
M0SINM
M0SINP
M1COSM
M1COSP
M1SINM
M1SINP
PWM0
PWM1
PWM2
PWM3
M0C0M
M0C0P
M0C1M
M0C1P
M1C0M
M1C0P
M1C1M
M1C1P
MOTOR0,1, 2 3 Supply
SSD2
SSD3
M2COSM
M2COSP
M2SINM
M2SINP
M3COSM
M3COSP
M3SINM
M3SINP
PWM4
PWM5
PWM6
PWM7
M2C0M
M2C0P
M2C1M
M2C1P
M3C0M
M3C0P
M3C1M
M3C1P
Figure 1-1. MC9S12HZ256 Block Diagram
VDDA
VSSA
VRH
VRL
PAD0
PAD1
PAD2
PAD3
PAD4
PAD5
PAD6
PAD7
PP0
PP1
PP2
PP3
PP4
PP5
PM2
PM3
PM4
PM5
PS0
PS1
PS4
PS5
PS6
PS7
PU0
PU1
PU2
PU3
PU4
PU5
PU6
PU7
VDDM1,2,3
VSSM1,2,3
PV0
PV1
PV2
PV3
PV4
PV5
PV6
PV7
MC9S12HZ256 Data Sheet, Rev. 2.04
24
Freescale Semiconductor