MC9S08AW32CFGE Freescale Semiconductor, MC9S08AW32CFGE Datasheet - Page 157
![IC MCU 32K FLASH 44-LQFP](/photos/12/35/123573/mc9s08aw16mfge_sml.jpg)
MC9S08AW32CFGE
Manufacturer Part Number
MC9S08AW32CFGE
Description
IC MCU 32K FLASH 44-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Specifications of MC9S08AW32CFGE
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-LQFP
Processor Series
S08AW
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
34
Number Of Timers
8
Operating Supply Voltage
- 0.3 V to + 5.8 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08AW60E
Minimum Operating Temperature
- 55 C
On-chip Adc
10 bit, 8 Channel
Package
44LQFP
Family Name
HCS08
Maximum Speed
40 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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9.4.2
9.5
9.5.1
The KBIPEn control bits in the KBIPE register allow a user to enable (KBIPEn = 1) any combination of
KBI-related port pins to be connected to the KBI module. Pins corresponding to 0s in KBIPE are
general-purpose I/O pins that are not associated with the KBI module.
9.5.2
Synchronous logic is used to detect edges. Prior to detecting an edge, enabled keyboard inputs in a KBI
module must be at the deasserted logic level.
A falling edge is detected when an enabled keyboard input signal is seen as a logic 1 (the deasserted level)
during one bus cycle and then a logic 0 (the asserted level) during the next cycle.
A rising edge is detected when the input signal is seen as a logic 0 during one bus cycle and then a logic 1
during the next cycle.
The KBIMOD control bit can be set to reconfigure the detection logic so that it detects edges and levels.
In KBIMOD = 1 mode, the KBF status flag becomes set when an edge is detected (when one or more
enabled pins change from the deasserted to the asserted level while all other enabled pins remain at their
deasserted levels), but the flag is continuously set (and cannot be cleared) as long as any enabled keyboard
input pin remains at the asserted level. When the MCU enters stop mode, the synchronous edge-detection
logic is bypassed (because clocks are stopped). In stop mode, KBI inputs act as asynchronous
level-sensitive inputs so they can wake the MCU from stop mode.
Freescale Semiconductor
KBIPE[7:0]
Reset
Field
7:0
W
R
Functional Description
KBIPE7
KBI Pin Enable Register (KBIPE)
Pin Enables
Edge and Level Sensitivity
Keyboard Pin Enable for KBI Port Bits — Each of these read/write bits selects whether the associated KBI
port pin is enabled as a keyboard interrupt input or functions as a general-purpose I/O pin.
0 Bit n of KBI port is a general-purpose I/O pin not associated with the KBI
1 Bit n of KBI port enabled as a keyboard interrupt input
0
7
= Unimplemented or Reserved
KBIPE6
0
6
Table 9-2. KBIPE Register Field Descriptions
Figure 9-4. KBI Pin Enable Register (KBIPE)
MC9S08AC16 Series Data Sheet, Rev. 8
KBIPE5
0
5
KBIPE4
0
4
Description
KBIPE3
3
0
KBIPE2
0
2
Keyboard Interrupt (S08KBIV1)
KBIPE1
0
1
KBIPE0
0
0
157
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