MC68HC908GR8CD Freescale Semiconductor, MC68HC908GR8CD Datasheet - Page 177
MC68HC908GR8CD
Manufacturer Part Number
MC68HC908GR8CD
Description
8-bit Microcontrollers - MCU 8 Bit 8MHz
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC908GR8CD.pdf
(286 pages)
Specifications of MC68HC908GR8CD
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
HC08
Data Bus Width
8 bit
Maximum Clock Frequency
8 MHz
Program Memory Size
64 KB
Data Ram Size
384 B
Operating Supply Voltage
3 V to 5 V
Package / Case
SOIC-28
Mounting Style
SMD/SMT
Data Rom Size
64 KB
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
21
Program Memory Type
Flash
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18.8.2 SCI Control Register 2
SCI control register 2:
SCTIE — SCI Transmit Interrupt Enable Bit
TCIE — Transmission Complete Interrupt Enable Bit
SCRIE — SCI Receive Interrupt Enable Bit
Freescale Semiconductor
•
•
•
•
•
This read/write bit enables the SCTE bit to generate SCI transmitter CPU interrupt requests. Reset
clears the SCTIE bit.
This read/write bit enables the TC bit to generate SCI transmitter CPU interrupt requests. Reset clears
the TCIE bit.
This read/write bit enables the SCRF bit to generate SCI receiver CPU interrupt requests. Reset clears
the SCRIE bit.
1 = SCTE enabled to generate CPU interrupt
0 = SCTE not enabled to generate CPU interrupt
1 = TC enabled to generate CPU interrupt requests
0 = TC not enabled to generate CPU interrupt requests
1 = SCRF enabled to generate CPU interrupt
0 = SCRF not enabled to generate CPU interrupt
Enables the following CPU interrupt requests:
–
–
–
–
Enables the transmitter
Enables the receiver
Enables SCI wakeup
Transmits SCI break characters
M
0
1
0
0
1
1
Enables the SCTE bit to generate transmitter CPU interrupt requests
Enables the TC bit to generate transmitter CPU interrupt requests
Enables the SCRF bit to generate receiver CPU interrupt requests
Enables the IDLE bit to generate receiver CPU interrupt requests
Control Bits
Address:
PEN and PTY
Reset:
Read:
Write:
0X
0X
10
11
10
11
SCTIE
$0014
Bit 7
0
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
Figure 18-10. SCI Control Register 2 (SCC2)
Table 18-5. Character Format Selection
Start Bits
TCIE
6
0
1
1
1
1
1
1
SCRIE
5
0
Data Bits
8
9
7
7
8
8
ILIE
4
0
Character Format
Parity
None
None
Even
Even
Odd
Odd
TE
3
0
Stop Bits
1
1
1
1
1
1
RE
2
0
RWU
Character Length
1
0
10 bits
11 bits
10 bits
10 bits
11 bits
11 bits
Bit 0
SBK
0
I/O Registers
177
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