Rohm LAPIS SEMICONDUCTOR ML620Q503, User Manual

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ML620Q503/Q504 User's Manual
Chapter 22 Port 5
FEUL620Q504 22-12
22.2.5 Port 5 Mode Register (P5MOD)
Address: 0F23CH
Access: R/W
Access size: 8/16 bit
Initial value: 0000H
7 6 5 4 3 2 1 0
P5MOD0
P57MD0 P56MD0 P55MD0 P54MD0 P53MD0 P52MD0 P51MD0 P50MD0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0
15 14 13 12 11 10 9 8
P5MOD1
P57MD1 P56MD1 P55MD1 P54MD1 P53MD1 P52MD1 P51MD1 P50MD1
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0
P5MOD0 and P5MOD1 are special function registers (SFRs) used to select the primary, secondary, tertiary, or
quartic function of the port 5.
Description of Bits
•
P50MD1-0 (bits 8, 0)
The P50MD1-0 bits are used to select the primary, secondary, tertiary, or quartic function of the P50
pin.
P50MD1 P50MD0
Description
0 0 General-purpose input/output mode, External interrupt mode (initial
value)
0 1 I
2
C bus data input/output mode (SDA0)
1 0 Synchronous serial port data output mode (SOUT0)
1 1 UART data input mode (RXD0)
•
P51MD1-0 (bits 9, 1)
The P51MD1-0 bits are used to select the primary, secondary, tertiary, or quartic function of the P51 pin.
P51MD1 P51MD0
Description
0 0 General-purpose input/output mode, External interrupt mode (initial
value)
0 1 I
2
C bus clock output mode (SCL0)
1 0 Synchronous serial port data input mode (SIN0)
1 1 UART data output mode (TXD0)