m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 341

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

M
R
R
e
E
3
. v
J
2
Figure 21.48 G3MR Register and G3CR Register
9 0
C
. 1
8 /
B
1 3
0
3
3 0
G
J
- 4
n a
o r
Group 3 SI/O Communication Mode Register
Group 3 SI/O Communication Control Register
1 0
b7
b7
3 .
u
p
, 1
1 3
b6
b6
(
0 2
M
b5
b5
3
6 0
2
b4
b4
C
8 /
Page 318
b3
b3
, 3
b2
b2
M
3
b1
b1
2
C
b0
b0
f o
8 /
4
3
(b5 - b4)
UFORM
TXEPT
Symbol
CKDIR
Symbol
8 8
) T
GMD0
GMD1
OPOL
IPOL
TLD
IRS
(b3)
RE
TE
Bit
Bit
RI
TI
Symbol
G3MR
Symbol
G3CR
Transmit Enable Bit
Transmit Register
Empty Flag
Transmit Buffer
Empty Flag
Nothing is assigned. When write, set to "0".
When read, its content is indeterminate.
Receive Enable Bit
Receive Complete
Flag
ISTxD Output Polarity
Switch Bit
ISRxD Input Polarity
Switch Bit
Communication Mode
Select Bit
Internal/External Clock
Select Bit
Transfer Data Length
Select Bit
Nothing is assigned. When write, set to "0".
When read, its content is indeterminate.
Transfer Format
Select Bit
Transmit Interrupt
Cause Select Bit
Bit Name
Bit Name
Address
017A
Address
017B
16
16
21. Intelligent I/O (Group 3 Communication Function)
0 : Transmit disable
1 : Transmit enable
0 : Data is in transmit register
1 : No data is in the transmit register
0 : Data is in the G3TB register
1 : No data is in the G3TB register
0 : Receive disabled
1 : Receive enabled
0 : No data is in the G3RB register
1 : Data is in the G3RB register
0 : No inverse
1 : Inverse
0 : No inverse
1 : Inverse
(during transmission)
(transmission is completed)
b1
0 : Internal clock
1 : External clock
0 : 16 bits long
1 : 8 bits long
0 : LSB first
1 : MSB first
0 : No data is in the transmit buffer
1 : Transmission is completed
0
0
1
1
b0
0
1
0
1
: Communication unit is reset
: Clock synchronous serial I/O mode
: Do not set to this value
: Do not set to this value
(
The ROER bit is set to "0"
Function
After Reset
00XX 0000
After Reset
0000 X000
Function
2
2
)
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO