MC68908GZ8MFAE Freescale Semiconductor, MC68908GZ8MFAE Datasheet - Page 54

IC MCU 8BIT 8K FLASH 48-LQFP

MC68908GZ8MFAE

Manufacturer Part Number
MC68908GZ8MFAE
Description
IC MCU 8BIT 8K FLASH 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC68908GZ8MFAE

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, LIN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-LQFP
Processor Series
M689xx
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SPI, SCI, CAN
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
37
Number Of Timers
2
Operating Supply Voltage
5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908GZ60E, M68EML08GZE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
 Details
Analog-to-Digital Converter (ADC)
ADCO — ADC Continuous Conversion Bit
ADCH4–ADCH0 — ADC Channel Select Bits
The voltage levels supplied from internal reference nodes, as specified in
Table
applications.
54
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 16 ADC channels. Only eight
channels, AD7–AD0, are available on this MCU. The channels are detailed in
be taken 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 = Continuous ADC conversion
0 = One ADC conversion
3-1, are used to verify the operation of the ADC converter both in production test and for user
1. If any unused channels are selected, the resulting ADC conversion will be unknown or
ADCH4
Recovery from the disabled state requires one conversion cycle to stabilize.
reserved.
0
0
0
0
0
0
0
0
0
1
1
1
1
ADCH3
0
0
0
0
0
0
0
0
1
1
1
1
1
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
Table 3-1. Mux Channel Select
ADCH2
0
0
0
0
1
1
1
1
0
1
1
1
1
Table
ADCH1
NOTE
0
0
1
1
0
0
1
1
0
0
0
1
1
3-1.
ADCH0
0
1
0
1
0
1
0
1
0
0
1
0
1
(1)
ADC power off
Input Select
PTB0/AD0
PTB1/AD1
PTB2/AD2
PTB3/AD3
PTB4/AD4
PTB5/AD5
PTB6/AD6
PTB7/AD7
Unused
V
V
REFH
REFL
Table
Freescale Semiconductor
3-1. Care should

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