m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 148

• Manufacturer Part Number: m30262f8gp
• Description: Renesas 16-bit Cmos Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

UART2 Special Mode Register
142
Figure 1.15.28. Functional block diagram for I
TxD2/SDA2
CLK2
RxD2/SCL2
Figure 1.15.28 shows the functional block diagram for I
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative and subject to change.
Filter
Noize
Filter
Noize
Noize
Filter
Selector
Timer
Selector
Selector
UARTi
Falling edge
detection
Timer
I/O
IICM=1
IICM=0
IICM=1
IICM=0
UART2
UARTi
D
(Port P7
T
I/O
Q
Start condition
detection
Stop condition
detection
Timer
I/O
Q
IICM=1
IICM=0
1
R
output data latch)
L-synchronous
output enabling
bit
External clock
Internal clock
Data bus
Renesas Technology Corp.
Port reading
*
With IICM set to 1, the port terminal is to be readable
even if 1 is assigned to P7
SDHI
SWC2
IICM=1
IICM=0
S
R
Analog
Q
delay
Arbitration
CLK
control
Reception register
ALS
Bus busy
UART2
2
Falling edge of 9 bit
C mode
UARTi
Bus collision
detection
9th pulse
Transmission
register
SWC
D
D
UART2
T
T
Q
Q
1
of the direction register.
ACK
2
C mode.
IICM=1
IICM=0
NACK
IICM=1
and IICM2=0
IICM=0
or IICM2=1
IICM=1
and IICM2=0
IICM=0
or IICM2=1
Bus collision/start, stop condition
detection interrupt request
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
UART2 reception/ACK interrupt
request, DMA1 request
UART2 transmission/NACK
interrupt request
M16C/26 Group
To DMA0, DMA1
To DMA0, DMA1