MC68HC908JL8 MOTOROLA [Motorola, Inc], MC68HC908JL8 Datasheet - Page 30

• Manufacturer Part Number: MC68HC908JL8
• Description: Motorola reserves the right to make changes without further notice to any products herein
• Manufacturer: MOTOROLA [Motorola, Inc]

General Description
1.4 MCU Block Diagram
Technical Data
30
¥
OSC2/RCCLK
CONTROL AND STATUS REGISTERS — 64 BYTES
REGISTERS
* RST
OSC1
* IRQ
VDD
USER FLASH VECTORS — 36 BYTES
VSS
CPU
MONITOR ROM — 959 BYTES
USER FLASH — 8,192 BYTES
USER RAM — 256 BYTES
M68HC08 CPU
INTERNAL OSCILLATOR
CRYSTAL OSCILLATOR
SYSTEM INTEGRATION
EXTERNAL INTERRUPT
ADC REFERENCE
RC OSCILLATOR
ARITHMETIC/LOGIC
MODULE
MODULE
POWER
UNIT (ALU)
Figure 1-1
Figure 1-1. MC68HC908JL8 Block Diagram
Freescale Semiconductor, Inc.
For More Information On This Product,
shows the structure of the MC68HC908JL8.
Go to: www.freescale.com
General Description
## Pins available on 28-pin and 32-pin packages only.
** Pin contains programmable pull-up device.
‡ LED direct sink pin.
# Pins available on 32-pin packages only.
† 25mA open-drain if output pin.
* Pin contains integrated pull-up device.
¥ Shared pin: OSC2/RCCLK/PTA6/KBI6.
2-CHANNEL TIMER INTERFACE
2-CHANNEL TIMER INTERFACE
SERIAL COMMUNICATIONS
8-BIT ANALOG-TO-DIGITAL
COMPUTER OPERATING
KEYBOARD INTERRUPT
LOW-VOLTAGE INHIBIT
CONVERTER MODULE
INTERFACE MODULE
PROPERLY MODULE
POWER-ON RESET
INTERNAL BUS
MODULE 1
MODULE 2
MODULE
MODULE
MODULE
MODULE
BREAK
MC68HC908JL8
PTA7/KBI7**
PTA6/KBI6**
PTA5/KBI5**
PTA4/KBI4**
PTA3/KBI3**
PTA2/KBI2**
PTA1/KBI1**
PTA0/KBI0**
PTB7/ADC7
PTB6/ADC6
PTB5/ADC5
PTB4/ADC4
PTB3/ADC3
PTB2/ADC2
PTB1/ADC1
PTB0/ADC0
PTD7/RxD**
PTD6/TxD**
PTD5/T1CH1
PTD4/T1CH0
PTD3/ADC8
PTD2/ADC9
PTD1/ADC10
PTD0/ADC11
PTE1/T2CH1
PTE0/T2CH0
ADC12/T2CLK
MOTOROLA
—
Rev. 2.0
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¥
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