MC68HC908GP16CFB Freescale Semiconductor, MC68HC908GP16CFB Datasheet - Page 128

• Manufacturer Part Number: MC68HC908GP16CFB
• Description: MCU 8-BIT 16K FLASH 44-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GP16CFB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 33
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Enhanced Serial Communications Interface (ESCI) Module
13.4.1 Data Format
The SCI uses the standard non-return-to-zero mark/space data format illustrated in
13.4.2 Transmitter
Figure 13-4
selected via the configuration bit, ESCIBDSRC.
128
PSSB4
PSSB3
PSSB2
PSSB1
PSSB0
PDS2
PDS1
PDS0
shows the structure of the SCI transmitter. The baud rate clock source for the ESCI can be
SCP1
SCP0
SCR1
SCR2
SCR0
÷
4
START
START
BIT
BIT
SCALER
PRE-
BIT 0
BIT 0
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
BIT 1
BIT 1
DIVIDER
BAUD
PEN
PTY
TXINV
BIT 2
BIT 2
Figure 13-3. SCI Data Formats
Figure 13-4. ESCI Transmitter
÷
GENERATION
BIT 3
BIT 3
16
PARITY
(BIT M IN SCC1 CLEAR)
SCTE
SCTIE
TC
TCIE
9-BIT DATA FORMAT
(BIT M IN SCC1 SET)
8-BIT DATA FORMAT
T8
M
BIT 4
BIT 4
H
BIT 5
BIT 5
8
SCTIE
7
SCTE
TCIE
TC
BIT 6
BIT 6
ESCI DATA REGISTER
6
SHIFT REGISTER
INTERNAL BUS
TRANSMIT
5
OR DATA
PARITY
11-BIT
BIT 7
BIT 7
BIT
4
CONTROL LOGIC
TRANSMITTER
3
OR DATA
PARITY
STOP
BIT 8
BIT
BIT
2
1
START
LOOPS
NEXT
STOP
ENSCI
LINT
BIT
BIT
SBK
TE
0
L
START
NEXT
BIT
Freescale Semiconductor
Figure
13-3.
SCI_TxD