mc68hc908jw32 Freescale Semiconductor, Inc, mc68hc908jw32 Datasheet - Page 18

• Manufacturer Part Number: mc68hc908jw32
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

General Description
1.3 MCU Block Diagram
18
(1)(2)
(1)(3)
CGMXFC
CONTROL AND STATUS REGISTERS — 96 BYTES
REG25V
REG33V
V
V
•
•
USER FLASH VECTOR SPACE — 48 BYTES
OSC1
OSC2
DDPLL
V
SSPLL
RST
SS33
IRQ
V
V
REGISTERS
DD
SS
External asynchronous interrupt pin with internal pull-up (IRQ)
48-pin quad flat non-leaded package (QFN)
MONITOR ROM — 1,472 BYTES
USER FLASH — 32,768 BYTES
CPU
USER RAM — 1,024 BYTES
CLOCK GENERATOR MODULE
M68HC08 CPU
INTERNAL RC OSCILLATOR
COMPUTER OPERATING
INTERNAL REGULATOR
SYSTEM INTEGRATION
PHASE-LOCKED LOOP
OSCILLATORS AND
X-TAL OSCILLATOR
PROPERLY MODULE
EXTERNAL INTERRUPT
POWER-ON RESET
ARITHMETIC/LOGIC
MODULE
MODULE
MODULE
POWER
UNIT (ALU)
Figure 1-1. MC68HC908JW32 Block Diagram
MC68HC908JW32 Data Sheet, Rev. 5
(1) Pin contains integrated pullup device.
(2) Pin contains configurable pullup device.
(3) Pin contains integrated pullup device when configured as KBI.
(4) Pin is open-drain when configured as output, with high current capability.
2-CHANNEL TIMER INTERFACE
PS2 CLOCK GENERATOR
KEYBOARD INTERRUPT
LOW-VOLTAGE INHIBIT
USB ENDPOINT
USB MODULE
SERIAL PERIPHERAL
INTERFACE MODULE
INTERNAL BUS
TIMEBASE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
BREAK
Freescale Semiconductor
PTA7/KBA7
PTA6/KBA6
PTA5/KBA5
PTA4/KBA4
PTA3/KBA3
PTA2/KBA2
PTA1/KBA1
PTA0/KBA0
PTB5
PTB1
PTB0
PTC3
PTC2/T1CH1
PTC1/TCLK1
PTC0/T1CH0
PTD7
PTD6
PTD5
PTD4
PTD3
PTD2
PTD1
PTD0
PTE7/SS
PTE6/MISO
PTE5/MOSI
PTE4/SPCLK
PTE3/D–
PTE2/PS2CLK/D+
(2)(4)
(2)(4)
(2)(4)
(2)
(2)
(2)
(2)(4)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(2)(4)