MC68HC908GR8CP Freescale Semiconductor, MC68HC908GR8CP Datasheet - Page 177

• Manufacturer Part Number: MC68HC908GR8CP
• Description: IC MCU FLASH 8BIT 8MHZ 4K 28-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GR8CP

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 17
• Program Memory Size: 7.5KB (7.5K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

MC68HC908GR8 — Rev 4.0
MOTOROLA
Addr.
TO PULLUP
TO PULLUP
$001A
$001B
KBD0
KBD3
ENABLE
ENABLE
Keyboard Interrupt Enable
Register Name
Register (INTKBIER)
and Control Register
KB0IE
KB3IE
Keyboard Status
(INTKBSCR)
.
.
.
Figure 13-1. Keyboard Module Block Diagram
Reset:
Reset:
Read:
Read:
Write:
Write:
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 13-2. I/O Register Summary
MODEK
Bit 7
0
0
VDD
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Keyboard Interrupt (KBI)
D
CK
= Unimplemented
CLR
6
0
0
Q
INTERRUPT FF
KEYBOARD
5
0
0
RESET
ACKK
4
0
0
VECTOR FETCH
IMASKK
INTERNAL BUS
KBIE3
KEYF
DECODER
3
SYNCHRONIZER
0
0
KBIE2
ACKK
2
0
0
0
Keyboard Interrupt (KBI)
Functional Description
KEYF
IMASKK
KBIE1
1
0
0
Technical Data
KEYBOARD
INTERRUPT
REQUEST
MODEK
KBIE0
Bit 0
0
0
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