MC908JL3EMPE Freescale Semiconductor, MC908JL3EMPE Datasheet - Page 117

• Manufacturer Part Number: MC908JL3EMPE
• Description: IC MCU 4K FLASH W/OSC 28-PDIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908JL3EMPE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: LED, LVD, POR, PWM
• Number Of I /o: 23
• Program Memory Size: 4KB (4K 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 12x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Processor Series: HC08JL
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 2
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Development Tools By Supplier: FSICEBASE, DEMO908JL16E, M68CBL05CE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 12 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

Chapter 12
Keyboard Interrupt Module (KBI)
12.1 Introduction
The keyboard interrupt module (KBI) provides seven independently maskable external interrupts which
are accessible via PTA0–PTA6 pins.
12.2 Features
Features of the keyboard interrupt module include the following:
12.3 I/O Pins
The seven keyboard interrupt pins are shared with standard port I/O pins. The full name of the KBI pins
are listed in
Freescale Semiconductor
$001A
$001B
Addr.
•
•
•
•
1. RCCLK/PTA6/KBI6 pin is only available on MC68HRC908JL3E/JK3E/JK1E devices (RC option).
Seven keyboard interrupt pins with separate keyboard interrupt enable bits and one keyboard
interrupt mask
Software configurable pull-up device if input pin is configured as input port bit
Programmable edge-only or edge- and level- interrupt sensitivity
Exit from low-power modes
Keyboard Status and Control
Keyboard Interrupt Enable
Generic Pin Name
Register Name
Table
KBI0–KBI5
Register (KBSCR)
Register (KBIER)
KBI6
KBI
12-1. The generic pin name appear in the text that follows.
Reset:
Reset:
Read:
Read:
Write:
Write:
Figure 12-1. KBI I/O Register Summary
MC68HC908JL3E Family Data Sheet, Rev. 4
Table 12-1. Pin Name Conventions
Bit 7
0
0
0
0
PTA0/KBI0–PTA5/KBI5
RCCLK/PTA6/KBI6
Full MCU Pin Name
= Unimplemented
KBIE6
6
0
0
0
KBIE5
5
0
0
0
(1)
KBIE4
4
0
0
0
Pin Selected for KBI Function
KBIE3
KEYF
by KBIEx Bit in KBIER
3
0
0
KBIE0–KBIE5
KBIE6
KBIE2
ACKK
2
0
0
0
IMASKK
KBIE1
1
0
0
MODEK
KBIE0
Bit 0
0
0
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