MC9S08AC8CFGE Freescale Semiconductor, MC9S08AC8CFGE Datasheet - Page 275
MC9S08AC8CFGE
Manufacturer Part Number
MC9S08AC8CFGE
Description
IC MCU 8BIT 8K FLASH 44-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.MC9S08AC8CFGE.pdf
(336 pages)
Specifications of MC9S08AC8CFGE
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
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
768 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
S08AC
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
700 B
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
34
Number Of Timers
3
Operating Supply Voltage
- 0.3 V to + 5.8 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08AC60E, DEMOACEX, DEMOACKIT, DCF51AC256, DC9S08AC128, DC9S08AC16, DC9S08AC60, DEMO51AC256KIT
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
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S08AC8CFGE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Figure 15-2
The host is asynchronous to the target so there is a 0-to-1 cycle delay from the host-generated falling edge
to where the target perceives the beginning of the bit time. Ten target BDC clock cycles later, the target
senses the bit level on the BKGD pin. Typically, the host actively drives the pseudo-open-drain BKGD pin
during host-to-target transmissions to speed up rising edges. Because the target does not drive the BKGD
pin during the host-to-target transmission period, there is no need to treat the line as an open-drain signal
during this period.
Freescale Semiconductor
SYNCHRONIZATION
PERCEIVED START
(TARGET MCU)
BDC CLOCK
UNCERTAINTY
TRANSMIT 1
TRANSMIT 0
OF BIT TIME
HOST
HOST
shows an external host transmitting a logic 1 or 0 to the BKGD pin of a target HCS08 MCU.
Figure 15-2. BDC Host-to-Target Serial Bit Timing
MC9S08AC16 Series Data Sheet, Rev. 8
TARGET SENSES BIT LEVEL
10 CYCLES
EARLIEST START
OF NEXT BIT
Development Support
275
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