Port 9 Input Pull-Up Mos; Table 8.6 Port 9 Input Pull-Up Mos States - Renesas H8S Series Hardware Manual

16-bit single-chip microcomputer
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Section 8 I/O Ports
• P90/IRQ2/ADTRG
The pin function is switched as shown below according to the P90DDR bit.
When the TRGS1 and TRGS0 bits in ADCR are both set to 1, this pin can be used as the
ADTRG input pin.
When the ISS2 bit in ISSR is cleared to 0 and the IRQ2E bit in IER of the interrupt controller
is set to 1, this pin can be used as the IRQ2 input pin.
P90DDR
Pin function
8.9.5

Port 9 Input Pull-Up MOS

P95 to P90 have built-in input pull-up MOSs that can be controlled by software. Table 8.6
summarizes the input pull-up MOS states.
Table 8.6
Port 9 Input Pull-Up MOS States
Reset
Off
[Legend]
Off:
Always off.
On/Off
On when P9DDR = 0 and P9PCR = 1; otherwise off.
Rev. 3.00 Jul. 14, 2005 Page 200 of 986
REJ09B0098-0300
0
P90 input pin
IRQ2 input pin/ADTRG input pin
Hardware Standby
Mode
Off
P90 output pin
Software Standby
Mode
On/Off
1
In Other Operations
On/Off

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