hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 376

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Section 10 Serial Communication Interface
10.1.3
Table 10.1 shows the SCI3 pin configuration.
Table 10.1 Pin Configuration
Name
SCI3 clock
SCI3 receive data input
SCI3 transmit data output
10.1.4
Table 10.2 shows the SCI3 register configuration.
Table 10.2 Registers
Name
Serial mode register
Bit rate register
Serial control register 3
Transmit data register
Serial status register
Receive data register
Transmit shift register
Receive shift register
Bit rate counter
Clock stop register 1
Serial port control register
Rev. 7.00 Mar 10, 2005 page 334 of 652
REJ09B0042-0700
Register Configuration
Pin Configuration
Abbr.
SCK
RXD
TXD
Abbr.
SMR
BRR
SCR3
TDR
SSR
RDR
TSR
RSR
BRC
CKSTPR1
SPCR
32
32
32
I/O
I/O
Input
Output
R/W
R/W
R/W
R/W
R/W
R/W
R
Protected —
Protected —
Protected —
R/W
R/W
Function
SCI3 clock input/output
SCI3 receive data input
SCI3 transmit data output
Initial Value
H'00
H'FF
H'00
H'FF
H'84
H'00
H'FF
—
Address
H'FFA8
H'FFA9
H'FFAA
H'FFAB
H'FFAC
H'FFAD
—
—
—
H'FFFA
H'FF91