H8SSLASH2214 datasheet(402/936 Pages) RENESAS

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Section 9 I/O Ports

Rev.4.00 Sep. 18, 2008 Page 342 of 872

REJ09B0189-0400

9.11

Port E

9.11.1

Overview

Port E is an 8-bit I/O port. Port E pins also function as data bus input/output pins. The pin

functions depend on the operating mode and on whether 8-bit or 16-bit bus mode is used.

Port E has an on-chip MOS input pull-up function that can be controlled by software.

Figure 9.15 shows the port E pin configuration.

PE7/ D7

PE6/ D6

PE5/ D5

PE4/ D4

PE3/ D3

PE2/ D2

PE1/ D1

PE0/ D0

PE7

PE6

PE5

PE4

PE3

PE2

PE1

PE0

Port E pins

Pin functions in modes 4 to 6

Pin functions in mode 7

(input/output)/D7 (input/output)

(input/output)/D6 (input/output)

(input/output)/D5 (input/output)

(input/output)/D4 (input/output)

(input/output)/D3 (input/output)

(input/output)/D2 (input/output)

(input/output)/D1 (input/output)

(input/output)/D0 (input/output)

PE7 (input/output)

PE6 (input/output)

PE5 (input/output)

PE4 (input/output)

PE3 (input/output)

PE2 (input/output)

PE1 (input/output)

PE0 (input/output)

Port E

Figure 9.15 Port E Pin Functions

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