h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 282
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h8s-2172
Manufacturer Part Number
h8s-2172
Description
Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2172.pdf
(570 pages)
- Current page: 282 of 570
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• P71/A1/IRQ1
Note:
• P70/A0/IRQ0
Note: * When ISS0 = 0, this pin functions as IRQ0 interrupt input.
Rev. 2.00, 03/04, page 250 of 534
EXPE
ALOE
P71DDR
Pin function
EXPE
ALOE
P70DDR
Pin function
The pin function is switched as shown below according to the combination of the P71DDR bit,
the EXPE bit in MDCR, the ALOE bit in PFCR1, and the ISS1 bit in ISSR.
The pin function is switched as shown below according to the combination of the P70DDR bit,
the EXPE bit in MDCR, the ALOE bit in PFCR1, and the ISS0 bit in ISSR.
*
When ISS1 = 0, this pin functions as IRQ1 interrupt input.
P71 input
P70 input
0
0
0
0
P71 output
P70 output
1
1
IRQ1 interrupt input*
IRQ0 interrupt input*
P70 input
P71 input
0
0
0
0
P70 output
P71 output
1
1
1
1
A0 output
A1 output
1
1
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