2
VSSA/VREFL
EVSS
IRQ
GND[1:4]
VSUP[1:8]
TESTMODE
RST_A
IRQ_A
PTD0/TACH0
PTE1/RXD
RST
LIN
Single Breakpoint
Break Module
Voltage
Regulator
PTE1/RXD
PTE0/TXD
TXD
LIN
Physical Layer
RXD
5-Bit Keyboard
Interrupt Module
2-channel Timer
Interface Module A
2-channel Timer
Interface Module B
Reset
Control
Enhanced Serial
Communication
Interface Module
Autonomous
Watchdog
Computer Operating
Properly Module
Serial Peripheral
Interface Module
Configuration
Register Module
Periodic Wake-up
Timebase Module
Arbiter Module
Prescaler Module
BEMF Module
PTC0/MISO
PTC1/MOSI
PTA5/SPSCK
PTA6/SS
SS
MISO
MOSI
SPSCK
SPI
&
CONTROL
PTD0/TACH0
PWM
VSS
VDD
Switched VDD
Driver &
Diagnostic
Wakeup Port
High Side Driver
& Diagnostic
High Side Driver
& Diagnostic
High Side Driver
& Diagnostic
HVDD
L0
HS1[a:b]
User Flash Vector
Space, 36 Bytes
HS2
HS3
HB1
908E622
Internal Bus
24 Internal System
Integration Module
Single External
IRQ Module
Half Bridge
Driver &
Diagnostic
Half Bridge
Driver &
Diagnostic
HB2
EVDD
INTERNAL BLOCK DIAGRAM
VDDA/VREFH
M68HC08 CPU
CPU
ALU
Registers
PTA0/KBD0
Control and Status
Register, 64 Bytes
User Flash, 15,872 Bytes
User RAM, 512 Bytes
Monitor ROM, 310 Bytes
Flash programming
(Burn-in), 1024 Bytes
PTA1/KBD1
PTA2/KBD2
OSC2 Internal Clock
OSC1 Generator Module
PTA3/KBD3
RST
PTA4/KBD4
IRQ
PTB3/AD3
PTB4/AD4
INTERNAL BLOCK DIAGRAM
PTB5/AD5
Power-ON
Reset Module
Security Module
VREFH
VDDA 10 Bit Analog-to-
VREFL Digital Converter
Module
VSSA
VDD
POWER
VSS
PTC2/MCLK
Half Bridge
Driver &
Diagnostic
HB3
PTC3/OSC2
Half Bridge
Driver &
Diagnostic
HB4
ECR
EC glass Driver
& Diagnostic
Hallport
PTB0/AD0
ADOUT
Analog
Multiplexer
EC
H0
A0
A0CST
Analog Port
with Current
Source
PORT C
DDRC
DDRA
PORT A
PTC4/OSC1
PTD1/TACH1
PTD1/TACH1
PTD0/TACH0
PTE1/RXD
PTE0/TXD
PTC4/OSC1
PTC3/OSC2
PTC2/MCLK
PTC1/MOSI
PTC0/MISO
PORT D PORT E
DDRD
DDRE
FLSVPP
DDRB
PORT B
PTA6/SS
PTA5/SPSCK
PTA4/KBD4
PTA3/KBD3
PTA2/KBD2
PTA1/KBD1
PTA0/KBD0
PTB7/AD7/TBCH1
PTB6/AD6/TBCH0
PTB5/AD5
PTB4/AD4
PTB3/AD3
PTB2/AD2
PTB1/AD1
PTB0/AD0
Analog Integrated Circuit Device Data
Freescale Semiconductor
Figure 2. 908E622 Simplified Internal Block Diagram
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
