MC68HC908SR12CB Freescale Semiconductor, MC68HC908SR12CB Datasheet - Page 349
MC68HC908SR12CB
Manufacturer Part Number
MC68HC908SR12CB
Description
IC MCU 12K FLASH 8MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908SR12MFAE.pdf
(404 pages)
Specifications of MC68HC908SR12CB
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, Temp Sensor
Number Of I /o
29
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 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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MC68HC908SR12CB
Manufacturer:
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Quantity:
340
Part Number:
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Manufacturer:
MOTOROLA/摩托罗拉
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20.6.2 Keyboard Interrupt Enable Register
20.7 Low-Power Modes
20.7.1 Wait Mode
20.7.2 Stop Mode
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Address:
The port-D keyboard interrupt enable register enables or disables each
port-D pin to operate as a keyboard interrupt pin.
KBIE7–KBIE0 — Keyboard Interrupt Enable Bits
The WAIT and STOP instructions put the MCU in low power-
consumption standby modes.
The keyboard interrupt module remains active in wait mode. Clearing the
IMASKK bit in the keyboard status and control register enables keyboard
interrupt requests to bring the MCU out of wait mode.
The keyboard interrupt module remains active in stop mode. Clearing
the IMASKK bit in the keyboard status and control register enables
keyboard interrupt requests to bring the MCU out of stop mode.
Reset:
Read:
Write:
Each of these read/write bits enables the corresponding keyboard
interrupt pin to latch interrupt requests. Reset clears the keyboard
interrupt enable register.
Figure 20-4. Keyboard Interrupt Enable Register (KBIER)
1 = KBIx pin enabled as keyboard interrupt pin
0 = KBIx pin not enabled as keyboard interrupt pin
$001B
KBIE7
Bit 7
0
Keyboard Interrupt Module (KBI)
KBIE6
6
0
KBIE5
5
0
KBIE4
4
0
KBIE3
3
0
Keyboard Interrupt Module (KBI)
KBIE2
2
0
Low-Power Modes
KBIE1
1
0
Data Sheet
KBIE0
Bit 0
0
349
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