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W78L058A Datasheet(PDF) 7 Page - Winbond |
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W78L058A Datasheet(HTML) 7 Page - Winbond |
7 / 34 page W78LE58/W78L058A Publication Release Date: December 4, 2006 - 7 - Revision A6 W78L058A Special Function Registers (SFRs) and Reset Values F8 FF F0 +B 00000000 CHPENR 00000000 F7 E8 EF E0 +ACC 00000000 E7 D8 +P4 xxxx1111 DF D0 +PSW 00000000 D7 C8 +T2CON 00000000 RCAP2L 00000000 RCAP2H 00000000 TL2 00000000 TH2 00000000 CF C0 XICON 00000000 P4CONA 00000000 P4CONB 00000000 SFRAL 00000000 SFRAH 00000000 SFRFD 00000000 SFRCN 00000000 C7 B8 +IP 00000000 CHPCON 0xx00000 BF B0 +P3 00000000 P43AL 00000000 P43AH 00000000 B7 A8 +IE 00000000 P42AL 00000000 P42AH 00000000 P2ECON 0000xx00 AF A0 +P2 11111111 A7 98 +SCON 00000000 SBUF xxxxxxxx 9F 90 +P1 11111111 P41AL 00000000 P41AH 00000000 97 88 +TCON 00000000 TMOD 00000000 TL0 00000000 TL1 00000000 TH0 00000000 TH1 00000000 8F 80 +P0 11111111 SP 00000111 DPL 00000000 DPH 00000000 P40AL 00000000 P40AH 00000000 PCON 00110000 87 Notes: 1.The SFRs marked with a plus sign(+) are both byte- and bit-addressable. 2. The text of SFR with bold type characters are extension function registers. Port 4 Port 4, address D8H, is a 4-bit multipurpose programmable I/O port. Each bit can be configured individually by software. The Port 4 has four different operation modes. Mode 0: P4.0 −P4.3 is a bi-directional I/O port which is same as port 1. P4.2 and P4.3 also serve as external interrupt PSENand INT2 if enabled. Mode 1: P4.0 −P4.3 are read strobe signals that are synchronized with RD signal at specified addresses. These signals can be used as chip-select signals for external peripherals. Mode 2: P4.0 −P4.3 are write strobe signals that are synchronized with WR signal at specified addresses. These signals can be used as chip-select signals for external peripherals. |
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