mc908jl16 Freescale Semiconductor, Inc, mc908jl16 Datasheet - Page 19

• Manufacturer Part Number: mc908jl16
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
OSC2/RCCLK
CONTROL AND STATUS REGISTERS — 64 BYTES
NOTES:
1. Shared pin: OSC2/RCCLK/PTA6/KBI6
2. Pin contains integrated pull-up device
3. Pin contains programmable pull-up device
4. LED direct sink pin
5. 25-mA output drive pin
6. Pin is open-drain output when MMIIC function enabled;
7. Pins available on 32-pin packages only
position of SDA and SCL are selected in CONFIG2 register.
REGISTERS
RST
IRQ
USER FLASH VECTORS — 36 BYTES
OSC1
V
V
CPU
USER FLASH — 16,384 BYTES
DD
SS
MONITOR ROM — 959 BYTES
(2)
(2)
(1)
USER RAM — 512 BYTES
M68HC08 CPU
INTERNAL OSCILLATOR
EXTERNAL INTERRUPT
CRYSTAL OSCILLATOR
SYSTEM INTEGRATION
ADC REFERENCE
RC OSCILLATOR
ARITHMETIC/LOGIC
MODULE
MODULE
POWER
UNIT (ALU)
Figure 1-1. MC68HC908JL16 Block Diagram
MC68HC908JL16 Data Sheet, Rev. 1.1
10-BIT ANALOG-TO-DIGITAL
SERIAL COMMUNICATIONS
COMPUTER OPERATING
KEYBOARD INTERRUPT
LOW-VOLTAGE INHIBIT
INTERFACE MODULE 1
INTERFACE MODULE 2
CONVERTER MODULE
INTERFACE MODULE
PROPERLY MODULE
POWER-ON RESET
2-CHANNEL TIMER
2-CHANNEL TIMER
MULTI-MASTER IIC
INTERNAL BUS
MODULE
MODULE
MODULE
MODULE
MODULE
BREAK
MCU Block Diagram
PTA7/KBI7
PTA6/KBI6
PTA5/KBI5
PTA4/KBI4
PTA3/KBI3/SCL
PTA2/KBI2/SDA
PTA1/KBI1
PTA0/KBI0
PTB7/ADC7
PTB6/ADC6
PTB5/ADC5
PTB4/ADC4
PTB3/ADC3
PTB2/ADC2
PTB1/ADC1
PTB0/ADC0
ADC12/T2CLK
PTD7/RxD/SDA
PTD6/TxD/SCL
PTD5/T1CH1
PTD4/T1CH0
PTD3/ADC8
PTD2/ADC9
PTD1/ADC10
PTD0/ADC11
PTE1/T2CH1
PTE0/T2CH0
(3)(4)
(1)(3)
(3)(4)
(3)(4)
(3)(4)
(3)(4)
(4)
(4)
(3)(4)(5)(6)
(3)(4)(6)
(3)(4)(5)(6)
(3)(4)(6)
(7)
(7)
(7)
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