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HD64F36022 Datasheet(PDF) 124 Page - Renesas Technology Corp

Part # HD64F36022
Description  Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series
PDF  384 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD64F36022 Datasheet(HTML) 124 Page - Renesas Technology Corp

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Section 9 I/O Ports
Rev. 4.00 Sep. 23, 2005 Page 98 of 354
REJ09B0025-0400
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
MOS 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 pin
Register
PCR1
Bit Name
PCR16
Pin Function
Setting value
0
P16 input pin
1
P16 output pin



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