Connecting The Serial Interfaces; Synchronous Serial Mode Connections; Uart Mode Connections; I 2 C Mode Connection - Panasonic MN10285K User Manual

See section 11, "I/O Ports," for
details on setting up the SBT
port.
Panasonic Semiconductor Development Company
5.3

Connecting the Serial Interfaces

Figures 5-2, 5-3, and 5-4 illustrate six different methods of connecting the serial
interface.
5.3.1

Synchronous Serial Mode Connections

Figure 5-2 shows serial port connections for either simplex or full-duplex syn-
chronous serial transfers.
SBO SBO
SBI SBI
SBT
SBT
A. Simplex Connection
Figure 5-2 Synchronous Serial Mode Connections
5.3.2

UART Mode Connections

Figure 5-3 shows serial port connections for either simplex or full-duplex UART
transfers.
SBO SBO
SBI SBI
A. Simplex Connection
Figure 5-3 UART Mode Connections
2
5.3.3 I C Mode Connection
The serial interfaces can connect to I
mode, always pull up the SBO and SBT pins to V
resistor externally or turn on the internal one by setting the PPLU register.
SBO
SBT
Master
transmitter/
receiver
MN102H75K
Figure 5-4 I
128

Panasonic

Connecting the Serial Interfaces
SBO
SBI
SBT
B. Full-Duplex Connection
SBO
SBI
B. Full-Duplex Connection
2
C slave transmitters or receivers. For this
. Either connect a pullup
DD
Slave
transmitter/ transmitter/
receiver
2
C Mode Connection
MN102H75K/F75K/85K/F85K LSI User Manual
Serial Interfaces
SBO
SBI
SBT
SBO
SBI
Slave
receiver