Chapter 1 Device Overview MC9S12ZVHY/MC9S12ZVHL Families
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
34
Freescale Semiconductor
1.6
Block Diagram
Figure 1-1. MC9S12ZVHY/MC9S12ZVHL Families Block Diagram
1
1. LINPHY is only avaiable on ZVHL part
ADC0
SCI1
AN0_[7:0]
10-bit 8-channel
Analog-Digital Converter
TIM1
Asynchronous Serial IF
ECLK
RXD1
VDDA/VRH
VSSA/VRL
VDDX3,2,1/VSSX3,2,1
5V IO Supply
VDDM1/VSSM1
PTU
Motor Driver0
IIC0
SDA0
SCL0
VLCD
VDDA/VSSA
CAN0
RXCAN0
TXCAN0
msCAN 2.0B
PA[7:0]
PTA
SSD 0
PB[3:0]
PTB
PH[7:0]
PTH
PD[7:0]
PT
D
PF[7:0]
PTF
PG[7:0]
PTG
PC[7:0]
PT
C
PP[7:0]
PTP
PT[7:0]
P
TT(KW
T)
PS[7:0]
PTS(K
W
S)
IOC1_[7:0]
XIRQ/IRQ function
PWM0
PWM[7:0]
SCI0
Asynchronous Serial IF
SS0
SCK0
MOSI0
MISO0
SPI0
Synchronous Serial IF
40 X 4
LCD
di
splay
PU[7:0]
PTAD(KW
A
D)
SSG0
SGA0
SGT0
Up to 4 KB RAM with ECC
Up to 2 KB EEPROM with ECC
VSUP
Up to 64 KB Flash with ECC
S12ZCPU
VDDA
VSS1
Voltage Regulator
(Nominal 12 V)
BATS
Voltage Supply Monitor
BCTL
VDDX1
VSS3
VSS2
RESET
EXTAL
XTAL
BKGD
Real Time Interrupt
Clock Monitor
Background
TEST
Debug Controller
Interrupt Module
COP Watchdog
PLL with Frequency
Modulation option
Debug Module
4 Comparators
64 Byte Trace Buffer
Reset Generation
and Test Entry
Auto. Periodic Int.
Low Power Pierce
Oscillator
PE[1:0]
PTE
[1
:0]
BDC
DBG
32K_EXTAL
32K_XTAL
PT
E
[3:2]
32.768K OSC
Motor Driver1
SSD 1
PTJ
PJ[3:0]
VSENSE
TIM0
IOC0_[7:0]
PS7
PS6
RTC
Internal 1 MHz
Oscillator
TXD1
RXD0
TXD0
PE[3:2]
PAD[7:0]
LIN
LINPHY
LIN
LGND
LGND