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H8/3003 数据表(PDF) 268 Page - Renesas Technology Corp

部件名 H8/3003
功能描述  microcontroller (MCU)
PDF  715 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8/3003 数据表(HTML) 268 Page - Renesas Technology Corp

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9.4 Port 6
9.4.1 Overview
Port 6 is a 3-bit input/output port that is also used for input and output of bus control signals
(
BACK, BREQ, and WAIT). Port 6 has the same set of pin functions in all operating modes.
Figure 9-7 shows the pin configuration of port 6.
Pins in port 6 can drive one TTL load and a 90-pF capacitive load. They can also drive a
darlington transistor pair.
Figure 9-7 Port 6 Pin Configuration
9.4.2 Register Descriptions
Table 9-6 summarizes the registers of port 6.
Table 9-6 Port 6 Registers
Address*
Name
Abbreviation
R/W
Initial Value
H'FFC9
Port 6 data direction register
P6DDR
W
H'80
H'FFCB
Port 6 data register
P6DR
R/W
H'80
Note: * Lower 16 bits of the address.
Port 6
P6 (input/output)/
P6 (input/output)/
P6 (input/output)/
2
1
0
BACK
BREQ
WAIT
(output)
(input)
(input)
Port 6 pins
250



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