Renesas PCA4738L-64A Technical Information Seite 8
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SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3825 Group
5
Function
• 8-bit I/O port
• CMOS compatible input level
• CMOS 3-state output structure
• I/O direction register allows each pin to be individually
programmed as either input or output.
• Pull-up control is enabled.
• 8-bit I/O port
• CMOS compatible input level
• CMOS 3-state output structure
• I/O direction register allows each pin to be individually
programmed as either input or output.
• Pull-up control is enabled.
• 8-bit I/O port
• CMOS compatible input level
• CMOS 3-state output structure
• I/O direction register allows each pin to be individually
programmed as either input or output.
• Pull-up control is enabled.
• 1-bit input port
• CMOS compatible input level
• 7-bit I/O port
• CMOS compatible input level
• CMOS 3-state output structure
• I/O direction register allows each pin to be individually programmed as either input or output.
• Pull-up control is enabled.
• 2-bit I/O port
• CMOS compatible input level
• CMOS 3-state output structure
• I/O direction register allows each pin to be individually
programmed as either input or output.
• Pull-up control is enabled.
Pin
P4
0/f(XIN)/
f(XIN)/2,
P41/f(XIN)/5/
f(XIN)/10
P42/INT0,
P43/INT1
P44/RXD,
P45/TXD,
P46/SCLK,
P47/SRDY
P50/INT2,
P51/INT3
P52/RTP0,
P53/RTP1
P54/CNTR0,
P55/CNTR1
P56/TOUT
P57/ADT
P6
0/AN0–
P67/AN7
P70
P71–P77
P80/XCOUT,
P81/XCIN
Name
I/O port P4
I/O port P5
I/O port P6
Input port P7
I/O port P7
I/O port P8
Function except a port function
• Clock output pins
• Interrupt input pins
• Serial I/O function pins
• Interrupt input pins
• Real time port function pins
• Timers X, Y functions pins
• Timer 2 output pin
• A-D trigger input pin
• A-D conversion input pins
Table 2. Pin description (2)
•Sub-clock generating circuit I/O pins
(Connect a resonator. External clock
cannot be used.)
- To our customers 1
- Renesas Technology Corp 3
- Customer Support Dept 3
- April 1, 2003 3
- To all our customers 3
- 3825 Group 10
- 16 to 00FF16 are called the 18
- 16 to FFFF16 are called the 18
- 5/TXD pin 33
- 7/AN7–P60/ 35
- IN as the internal clock 35
- CC(min.) and 43
- 16 (high-order byte) and ad 43
- CC(min.) 43
- RDY output enable bit to 48
- XD pin after 48
- IN frequency 48
- 0 of port bock diagram 73
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