MC908GZ48CFAE Freescale Semiconductor, MC908GZ48CFAE Datasheet - Page 68
![IC MCU 48K FLASH 8MHZ 48-LQFP](/photos/12/38/123851/mc908gz48cfae_sml.jpg)
MC908GZ48CFAE
Manufacturer Part Number
MC908GZ48CFAE
Description
IC MCU 48K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GZ60CFJE.pdf
(352 pages)
Specifications of MC908GZ48CFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Controller Family/series
HC08
No. Of I/o's
37
Ram Memory Size
1.5KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
CAN, SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08GZ
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
CAN, ESCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
53
Number Of Timers
8
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68EML08GZE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 24 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:
MC908GZ48CFAE
Manufacturer:
Freescale
Quantity:
345
Company:
Part Number:
MC908GZ48CFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Analog-to-Digital Converter (ADC)
3.8.1 ADC Status and Control Register
Function of the ADC status and control register (ADSCR) is described here.
COCO — Conversions Complete Bit
AIEN — ADC Interrupt Enable Bit
ADCO — ADC Continuous Conversion Bit
ADCH4–ADCH0 — ADC Channel Select Bits
68
In non-interrupt mode (AIEN = 0), COCO is a read-only bit that is set at the end of each conversion.
COCO will stay set until cleared by a read of the ADC data register. Reset clears this bit.
In interrupt mode (AIEN = 1), COCO is a read-only bit that is not set at the end of a conversion. It
always reads as a 0.
When this bit is set, an interrupt is generated at the end of an ADC conversion. The interrupt signal is
cleared when the data register is read or the status/control register is written. Reset clears the AIEN bit.
When set, the ADC will convert samples continuously and update the ADR register at the end of each
conversion. Only one conversion is completed between writes to the ADSCR when this bit is cleared.
Reset clears the ADCO bit.
ADCH4–ADCH0 form a 5-bit field which is used to select one of 32 ADC channels. Only 24 channels,
AD23–AD0, are available on this MCU. The channels are detailed in
when using a port pin as both an analog and digital input simultaneously to prevent switching noise
from corrupting the analog signal. See
The ADC subsystem is turned off when the channel select bits are all set to 1. This feature allows for
reduced power consumption for the MCU when the ADC is not being used.
1 = Conversion completed (AIEN = 0)
0 = Conversion not completed (AIEN = 0) or CPU interrupt enabled (AIEN = 1)
1 = ADC interrupt enabled
0 = ADC interrupt disabled
1 = Continuous ADC conversion
0 = One ADC conversion
Address:
The write function of the COCO bit is reserved. When writing to the ADSCR
register, always have a 0 in the COCO bit position.
Recovery from the disabled state requires one conversion cycle to stabilize.
Reset:
Read:
Write:
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
$003C
COCO
Figure 3-4. ADC Status and Control Register (ADSCR)
Bit 7
R
R
0
= Reserved
AIEN
6
0
ADCO
Table
5
0
3-1.
NOTE
NOTE
ADCH4
4
1
ADCH3
3
1
ADCH2
2
1
Table
ADCH1
3-1. Care should be taken
1
1
Freescale Semiconductor
ADCH0
Bit 0
1
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