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HD64F36049 Datasheet(PDF) 146 Page - Renesas Technology Corp

Part # HD64F36049
Description  Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Tiny Series
PDF  562 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD64F36049 Datasheet(HTML) 146 Page - Renesas Technology Corp

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Section 9 I/O Ports
Rev. 3.00 Mar. 15, 2006 Page 114 of 526
REJ09B0060-0300
9.1.4
Port Pull-Up Control Register 1 (PUCR1)
PUCR1 controls the pull-up MOS in bit units of the pins set as the input ports.
Bit
Bit Name
Initial
Value
R/W
Description
7
6
5
4
3
2
1
0
PUCR17
PUCR16
PUCR15
PUCR14
PUCR12
PUCR11
PUCR10
0
0
0
0
1
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Only bits for which PCR1 is cleared are valid. The pull-
up MOSs of P17 to P14 and P12 to P10 pins enter the
on-state when these bits are set to 1, while they enter
the off-state when these bits are cleared to 0.
Bit 3 is a reserved bit. This bit is always read as 1.
9.1.5
Pin Functions
The correspondence between the register specification and the port functions is shown below.
• P17/IRQ3/TRGV pin
Register
PMR1
PCR1
Bit Name
IRQ3
PCR17
Pin Function
Setting value
0
0
P17 input pin
1
P17 output pin
1
X
IRQ3 input/TRGV input pin
[Legend]
X: Don't care.
• P16/IRQ2 pin
Register
PMR1
PCR1
Bit Name
IRQ2
PCR16
Pin Function
Setting value
0
0
P16 input pin
1
P16 output pin
1
X
IRQ2 input pin
[Legend]
X: Don't care.



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