SH7764 Datasheet, PDF (1455/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 27 General Purpose I/O (GPIO)
27.2.32 Pin Select Register 10 (PTSEL_K)
PTSEL_K is a 16-bit readable/writable register that selects the functions for the pins that
multiplex two or more functions other than the port function.
Bit: 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
PTSEL_K7[1:0] PTSEL_K6[1:0]

PTSEL_
K5
PTSEL_K4[1:0]
PTSEL_K3[1:0]
PTSEL_K2[1:0]
PTSEL_K1[1:0]
PTSEL_K0[1:0]
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Bit
15, 14
13, 12
11
10
9, 8
Bit Name
Initial Value R/W
PTSEL_K7[1:0] 00
R/W
PTSEL_K6[1:0] 00
R/W

0
R
PTSEL_K5
0
R/W
PTSEL_K4[1:0] 00
R/W
Description
Port K (PK7) Function Select
00: WDTOVF function
01: IRQ1 function
10: AUDCK function
11: DACK1 function
Port K (PK6) Function Select
00: SCK0 function
01: AUDSYNC function
10: FCLE function
11: Setting prohibited
Reserved
This bit is always read as 0. The write value
should always be 0.
Port K (PK5) Function Select
0: SCK1 function
1: FR/B function
Port K (PK4) Function Select
00: LCD_DATA0 function
01: DB0 function
10: BT_DATA0 function
11: Setting prohibited
Rev. 1.00 Nov. 22, 2007 Page 1399 of 1692
REJ09B0360-0100