MC68HC908LB8CPE Freescale Semiconductor, MC68HC908LB8CPE Datasheet - Page 21

• Manufacturer Part Number: MC68HC908LB8CPE
• Description: IC MCU 8K FLASH 8MHZ 20DIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908LB8CPE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: LVR, POR, PWM
• Number Of I /o: 18
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 7x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -

1.5 Pin Functions
Table 1-1
Freescale Semiconductor
Name
PTA0
PTA1
PTA2
PTA3
PTA4
PTA5
V
V
Pin
DD
SS
provides a description of the pin functions.
Power supply
Power supply ground
PTA0 — General purpose I/O port
KBI0 — Keyboard interrupt input 0
ADC0 — A/D channel 0 input
PTA1 — General purpose I/O port
KBI1 — Keyboard interrupt input 1
ADC1 — A/D channel 1 input
PTA2 — General purpose I/O port
KBI2 — Keyboard interrupt input 2
ADC2 — A/D channel 2 input
PTA3 — General purpose I/O port
KBI3 — Keyboard interrupt input 3
ADC3 — A/D channel 3 input
PTA4 — General purpose I/O port
KBI4 — Keyboard interrupt input 4
ADC4 — A/D channel 4 input
PTA5 — General purpose I/O port
RST — Reset input, active low with internal pullup and Schmitt trigger
KBI5 — Keyboard interrupt input 5
Figure 1-2. 20-Pin SOIC and PDIP Pin Assignments
PTC2/SHTDWN/IRQ
PTB2/FAULT
PTB3/PWM0
PTB4/PWM1
PTC0/OSC1
PTC1/OSC2
PTB0/TOP
PTB1/BOT
MC68HC908LB8 Data Sheet, Rev. 1
V
V
Table 1-1. Pin Functions
DD
SS
1
2
3
4
5
6
7
8
9
10
Description
20
19
18
17
16
15
14
13
12
11
PTA6/ADC5/TCH0/KBI6
PTA5/RST/KBI5
PTA4/ADC4/KBI4
PTA3/ADC3/KBI3
PTA2/ADC2/KBI2
PTA1/ADC1/KBI1
PTA0/ADC0/KBI0
PTB7/V
PTB6/V–
PTB5/V+
OUT
/ADC6/FAULT
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Pin Functions
Power
Power
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
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