E62655RUSB Renesas Electronics America, E62655RUSB Datasheet - Page 371
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E62655RUSB
Manufacturer Part Number
E62655RUSB
Description
EMULATOR BASE H8S/2655R W/USB
Manufacturer
Renesas Electronics America
Type
Microcontrollerr
Datasheet
1.E62655RUSB.pdf
(1093 pages)
Specifications of E62655RUSB
Contents
E6000 Emulator Unit and 4 Logic Probes
For Use With/related Products
H8S/2655R
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 371 of 1093
- Download datasheet (6Mb)
Section 9 I/O Ports
Section 9 I/O Ports
9.1
Overview
The H8S/2655 Group has 12 I/O ports (ports 1 to 3, 5, 6, and A to G), and one input-only port
(port 4).
Table 9.1 summarizes the port functions. The pins of each port also have other functions.
Each port includes a data direction register (DDR) that controls input/output (not provided for the
input-only port), a data register (DR) that stores output data, and a port register (PORT) used to
read the pin states.
Ports A to E have a built-in MOS input pull-up function, and in addition to DR and DDR, have a
MOS input pull-up control register (PCR) to control the on/off state of MOS input pull-up.
Ports 3 and A include an open-drain control register (ODR) that controls the on/off state of the
output buffer PMOS.
Ports A to E can drive a single TTL load and 90 pF capacitive load, and ports 1 to 3, 5, 6, F, and G
can drive a single TTL load and 30 pF capacitive load. All the I/O ports can drive a Darlington
transistor when in output mode. Ports 1, and A to C can drive an LED (10 mA sink current).
Port 2, and ports 6
to 6
and A
to A
, are Schmitt-triggered inputs.
4
7
4
7
For block diagrams of the ports see appendix C, I/O Port Block Diagrams.
Rev. 5.00 Sep 14, 2006 page 341 of 1060
REJ09B0331-0500
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