MC908GR48AVFAE Freescale Semiconductor, MC908GR48AVFAE Datasheet - Page 153
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MC908GR48AVFAE
Manufacturer Part Number
MC908GR48AVFAE
Description
IC MCU 8BIT 48K FLASH 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GR32ACFJE.pdf
(314 pages)
Specifications of MC908GR48AVFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
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 ~ 105°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908GR48AVFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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13.3 Pin Name Conventions
The generic names of the ESCI input/output (I/O) pins are:
ESCI I/O lines are implemented by sharing parallel I/O port pins. The full name of an ESCI input or output
reflects the name of the shared port pin.
ESCI I/O pins. The generic pin names appear in the text of this section.
13.4 Functional Description
Figure 13-3
serial communication between the MCU and remote devices, including other MCUs. The transmitter and
receiver of the ESCI operate independently, although they use the same baud rate generator. During
normal operation, the CPU monitors the status of the ESCI, writes the data to be transmitted, and
processes received data.
The baud rate clock source for the ESCI can be selected via the configuration bit, SCIBDSRC, of the
CONFIG2 register ($001E)
For reference, a summary of the ESCI module input/output registers is provided in
13.4.1 Data Format
The SCI uses the standard non-return-to-zero mark/space data format illustrated in
Freescale Semiconductor
•
•
RxD (receive data)
TxD (transmit data)
shows the structure of the ESCI module. The ESCI allows full-duplex, asynchronous, NRZ
START
START
MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
BIT
BIT
Generic Pin Names
BIT 0
BIT 0
Full Pin Names
BIT 1
BIT 1
Table 13-1. Pin Name Conventions
BIT 2
BIT 2
Figure 13-2. SCI Data Formats
BIT 3
BIT 3
Table 13-1
(BIT M IN SCC1 CLEAR)
9-BIT DATA FORMAT
(BIT M IN SCC1 SET)
8-BIT DATA FORMAT
BIT 4
BIT 4
PTE1/RxD
RxD
BIT 5
BIT 5
shows the full names and the generic names of the
BIT 6
BIT 6
OR DATA
PARITY
BIT 7
BIT 7
BIT
OR DATA
PARITY
PTE0/TxD
STOP
BIT 8
BIT
BIT
TxD
START
NEXT
STOP
BIT
BIT
START
NEXT
BIT
Figure
Pin Name Conventions
Figure
13-4.
13-2.
153
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