MC908QL4 FREESCALE [Freescale Semiconductor, Inc], MC908QL4 Datasheet - Page 22

• Manufacturer Part Number: MC908QL4
• Description: M68HC08 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

General Description
22
PTA1/AD1/TCH1/KBI1
PTA2/IRQ/KBI2/TCLK
PTA4/OSC2/AD2/KBI4
PTA5/OSC1/AD3/KBI5
RST, IRQ: Pins have internal pull up device
All port pins have programmable pull up device (pullup/down on port A)
PTA[0:5]: Higher current sink and source capability
PTA1/AD1/TCH1/KBI1
PTA2/IRQ/KBI2/TCLK
V
V
DD
SS
PTA3/RST/KBI3
PTA0/AD0/KBI0
PTA3/RST/KBI3
PTB0/TCH0
PTB4/SLCRX
PTB5/SLCTX
PTB3/AD5
PTB2/AD4
PTB0/TCH0
PTB2/AD4
PTB3/AD5
PTB1
V
PTB1
PTB6
PTB7
DD
POWER SUPPLY
MC68HC908QL4
128 BYTES
USER RAM
1
2
3
4
5
6
7
8
SOIC
16
15
14
13
12
11
10
9
V
PTA0/AD0/KBI0
PTA5/OSC1/AD3/KBI5
PTA4/OSC2/AD2/KBI4
PTB4/SLCRx
PTB5/SLCTx
PTB6
PTB7
SS
Figure 1-2. MCU Pin Assignments
MC68HC908QL4 Data Sheet, Rev. 7
Figure 1-1. Block Diagram
MC68HC908QL4
M68HC08 CPU
USER FLASH
4096 BYTES
PTA4/OSC2/AD2/KBI4
PTA5/OSC1/AD3/KBI5
PTA1/AD1/TCH1/KBI1
PTA2/IRQ/KBI2/TCLK
PTA3/RST/KBI3
PTA0/AD0/KBI0
V
V
DD
SS
1
2
3
4
5
6
7
8
TSSOP
INTERNAL CLOCK SOURCE
Freescale Semiconductor
DEVELOPMENT SUPPORT
KEYBOARD INTERRUPT
EXTERNAL INTERRUPT
SLAVE LIN INTERFACE
2-CHANNEL 16-BIT
4, 8, 12.8, or 25.6 MHz
BREAK MODULE
TIMER MODULE
INTERNAL OSC
AUTO WAKEUP
LOW-VOLTAGE
MONITOR ROM
CONTROLLER
16
15
14
13
12
11
10
6-CHANNEL
10-BIT ADC
9
MODULE
MODULE
MODULE
MODULE
INHIBIT
COP
PTB5/SLCTx
PTB6
PTB7
PTB1
PTB2/AD4
PTB3/AD5
PTB0/TCH0
PTB4/SLCRx