MC908AP16CFAE Freescale Semiconductor, MC908AP16CFAE Datasheet - Page 273
![IC MCU 16K FLASH 8MHZ 48-LQFP](/photos/19/7/190723/4134800_sml.jpg)
MC908AP16CFAE
Manufacturer Part Number
MC908AP16CFAE
Description
IC MCU 16K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheets
1.MC908AP8CFBE.pdf
(324 pages)
2.MC908AP16ACFBER.pdf
(316 pages)
3.MC908AP16CFAE.pdf
(322 pages)
Specifications of MC908AP16CFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SCI, SPI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
32
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K 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
48-LQFP
Controller Family/series
HC08
No. Of I/o's
32
Ram Memory Size
1KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08AP
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908AP64E, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 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
Company:
Part Number:
MC908AP16CFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC908AP16CFAE
Manufacturer:
FREESCALE
Quantity:
20 000
- Current page: 273 of 324
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Chapter 17
External Interrupt (IRQ)
17.1 Introduction
The external interrupt (IRQ) module provides two maskable interrupt inputs: IRQ1 and IRQ2.
17.2 Features
Features of the IRQ module include:
17.3 Functional Description
A logic 0 applied to the external interrupt pin can latch a CPU interrupt request.
Figure 17-3
Interrupt signals on the IRQ pin are latched into the IRQ latch. An interrupt latch remains set until one of
the following actions occurs:
Freescale Semiconductor
$001C
$001E
Addr.
•
•
•
•
•
•
•
•
A dedicated external interrupt pin, IRQ1
An external interrupt pin shared with a port pin, PTC0/IRQ2
Separate IRQ interrupt control bits for IRQ1 and IRQ2
Hysteresis buffers
Programmable edge-only or edge and level interrupt sensitivity
Automatic interrupt acknowledge
Internal pullup resistor, with disable option on IRQ2
Vector fetch — A vector fetch automatically generates an interrupt acknowledge signal that clears
the latch that caused the vector fetch.
IRQ2 Status and Control
IRQ1 Status and Control
Register Name
shows the structure of the IRQ module.
References to either IRQ1 or IRQ2 may be made in the following text by
omitting the IRQ number. For example, IRQF may refer generically to
IRQ1F and IRQ2F, and IMASK may refer to IMASK1 and IMASK2.
(INTSCR2)
(INTSCR1)
Register
Register
Figure 17-1. External Interrupt I/O Register Summary
Reset:
Reset:
Read:
Read:
Write:
Write:
MC68HC908AP Family Data Sheet, Rev. 4
Bit 7
0
0
0
0
PUC0ENB
= Unimplemented
6
0
0
0
NOTE
5
0
0
0
0
4
0
0
0
0
IRQ2F
IRQ1F
3
0
0
ACK2
ACK1
Figure 17-2
2
0
0
0
0
IMASK2
IMASK1
1
0
0
and
MODE2
MODE1
Bit 0
0
0
271
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