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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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HD6432351 데이터시트(PDF) 433 Page - Renesas Technology Corp |
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HD6432351 데이터시트(HTML) 433 Page - Renesas Technology Corp |
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433 / 1025 page  Section 9 I/O Ports Rev. 3.00 Sep 15, 2006 page 399 of 988 REJ09B0330-0300 9.13 Port F 9.13.1 Overview Port F is an 8-bit I/O port. Port F pins also function as bus control signal input/output pins ( AS, RD, HWR, LWR, LCAS, WAIT, BREQO, BREQ, and BACK) and the system clock (φ) output pin. Figure 9.25 shows the port F pin configuration. PF7/φ PF6/AS PF5/RD PF4/HWR PF3/LWR PF2/LCAS/WAIT/BREQO PF1/BACK PF0/BREQ Port F PF7 AS RD HWR LWR PF2 PF1 PF0 (input) / (output) (output) (output) (output) (I/O)/ (I/O)/ (I/O)/ Port F pins Pin functions in modes 1 and 2* PF7 PF6 PF5 PF4 PF3 PF2 PF1 PF0 Note: * Modes 2, 3, 6, and 7 only apply to the H8S/2351. (input)/ (I/O) (I/O) (I/O) (I/O) (I/O) (I/O) (I/O) Pin functions in modes 3 and 7* φ WAIT BACK BREQ (input) (output) (input) / BREQO φ (output) (output) PF7 AS RD HWR LWR PF2 PF1 PF0 (input) / (output) (output) (output) (output) (I/O)/ LCAS (I/O)/ BACK (output) (I/O)/ BREQ Pin functions in modes 4 to 6* (output) / WAIT (input) / BREQO (output) (input) φ (output) Figure 9.25 Port F Pin Functions |
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