MCR908JL3ECFAE Freescale Semiconductor, MCR908JL3ECFAE Datasheet - Page 117
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MCR908JL3ECFAE
Manufacturer Part Number
MCR908JL3ECFAE
Description
IC MCU 4K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JK1ECDWE.pdf
(180 pages)
Specifications of MCR908JL3ECFAE
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)
2.7 V ~ 3.3 V
Data Converters
A/D 12x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCR908JL3ECFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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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
117
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