h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 254
h8s-2169
Manufacturer Part Number
h8s-2169
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2169.pdf
(1075 pages)
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Section 8 I/O Ports
8.6
8.6.1
Port 5 is a 3-bit I/O port. Port 5 pins also function as SCI0 I/O pins (TxD0, RxD0, SCK0), and the
IIC0 I/O pin (SCL0). P52 and SCK0 are NMOS push-pull outputs, and SCL0 is an NMOS open-
drain output. Port 5 pin functions are the same in all operating modes.
Figure 8.13 shows the port 5 pin configuration.
8.6.2
Table 8.10 shows the port 5 register configuration.
Table 8.10 Port 5 Registers
Name
Port 5 data direction register
Port 5 data register
Note:
Rev. 3.00 Jan 18, 2006 page 226 of 1044
REJ09B0280-0300
* Lower 16 bits of the address.
Port 5
Overview
Register Configuration
Port 5
Figure 8.13 Port 5 Pin Functions
Abbreviation
P5DDR
P5DR
Port 5 pins
P52 (I/O)/SCK0 (I/O)/SCL0 (I/O)
P51 (I/O)/RxD0 (Input)
P50 (I/O)/TxD0 (Output)
R/W
W
R/W
Initial Value
H'F8
H'F8
Address *
H'FFB8
H'FFBA
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