MC908SR12CFAE Freescale Semiconductor, MC908SR12CFAE Datasheet - Page 343
![IC MCU 12K FLASH 8MHZ 48-LQFP](/photos/12/45/124574/mc908sr12cfae_sml.jpg)
MC908SR12CFAE
Manufacturer Part Number
MC908SR12CFAE
Description
IC MCU 12K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908SR12MFAE.pdf
(404 pages)
Specifications of MC908SR12CFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, Temp Sensor
Number Of I /o
31
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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MC908SR12CFAE
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20.1 Contents
20.2 Introduction
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Data Sheet — MC68HC908SR12•MC68HC08SR12
Section 20. Keyboard Interrupt Module (KBI)
20.2
20.3
20.4
20.5
20.5.1
20.6
20.6.1
20.6.2
20.7
20.7.1
20.7.2
20.10 Keyboard Module During Break Interrupts . . . . . . . . . . . . . . . 350
The keyboard interrupt module (KBI) provides eight independently
maskable external interrupts which are accessible via PTD0–PTD7.
When a port pin is enabled for keyboard interrupt function, an internal
30kΩ pullup device is also enabled on the pin.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344
I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .345
Keyboard Interrupt Registers . . . . . . . . . . . . . . . . . . . . . . . . . 347
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 348
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 349
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .349
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .349
Keyboard Interrupt Module (KBI)
Data Sheet
343
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