MC908GP16CBE Freescale Semiconductor, MC908GP16CBE Datasheet - Page 108
MC908GP16CBE
Manufacturer Part Number
MC908GP16CBE
Description
IC MCU 16K FLASH 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GP32CFBE.pdf
(266 pages)
Specifications of MC908GP16CBE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
31
Program Memory Size
16KB (16K 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 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Processor Series
HC08GP
Core
HC08
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SCI, SPI
Maximum Clock Frequency
8.2 MHz
Number Of Programmable I/os
33
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68CBL05CE, M68EML08GPGTE
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC908GP16CBE
Manufacturer:
FREESCALE
Quantity:
20 000
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Keyboard Interrupt (KBI) Module
10.8 I/O Signals
The KBI module can share its pins with the general-purpose I/O pins.
10.8.1 KBI Input Pins (KBI7:KBI0)
Each KBI pin is independently programmable as an external interrupt source. Each KBI pin when enabled
will automatically configure a pullup device.
10.9 Registers
The following registers control and monitor operation of the KBI module:
10.9.1 Keyboard Status and Control Register (INTKBSCR)
Features of the INTKBSCR:
Bits 7–4 — Not used
KEYF — Keyboard Flag Bit
ACKK — Keyboard Acknowledge Bit
IMASKK— Keyboard Interrupt Mask Bit
MODEK — Keyboard Triggering Sensitivity Bit
108
•
•
•
•
•
•
This read-only bit is set when a keyboard interrupt is pending.
Writing a 1 to this write-only bit clears the KBI request. ACKK always reads 0.
Writing a 1 to this read/write bit prevents the output of the KBI latch from generating interrupt requests.
This read/write bit controls the triggering sensitivity of the keyboard interrupt pins.
1 = Keyboard interrupt pending
0 = No keyboard interrupt pending
1 = Keyboard interrupt requests disabled
0 = Keyboard interrupt requests enabled
1 = Keyboard interrupt requests on falling edges and low levels
0 = Keyboard interrupt requests on falling edges only
INTKBSCR (keyboard interrupt status and control register)
INTKBIER (keyboard interrupt enable register)
Flags keyboard interrupt requests
Acknowledges keyboard interrupt requests
Masks keyboard interrupt requests
Controls keyboard interrupt triggering sensitivity
Reset:
Read:
Write:
Figure 10-2. Keyboard Status and Control Register (INTKBSCR)
Bit 7
0
0
= Unimplemented
6
0
0
MC68HC908GP32 Data Sheet, Rev. 10
5
0
0
4
0
0
KEYF
3
0
ACKK
2
0
0
IMASKK
1
0
Freescale Semiconductor
MODEK
Bit 0
0
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