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参数资料
| 型号： | UPD70F3261YGF-JBT-A |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | 14 X 20 MM, PLASTIC, QFP-100 |
| 文件页数： | 33/129页 |
| 文件大小： | 8549K |
| 代理商： | UPD70F3261YGF-JBT-A |
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CHAPTER 4 PORT FUNCTIONS
User’s Manual U16541EJ5V1UD
128
(4) Port 9 function control register (PFC9)
Caution
Port 9 pins cannot be used as port pins or other alternate-function pins if even one of the A0
to A15 pins is used in the separate bus mode. After setting the PFC9 and PFCE9 registers to
0000H, therefore, set all 16 bits of the PMC9 register to FFFFH at once. If even one of the A0
to A15 pins is not used in the separate bus mode, port 9 pins can be used as port pins or
other alternate-function pins.
After reset: 0000H
R/W
Address:
PFC9 FFFFF472H,
PFC9L FFFFF472H, PFC9H FFFFF473H
PFC97
PFC96
PFC95
PFC94
PFC93
PFC92
PFC91
PFC90
PFC915
PFC914
PFC913
PFC912
PFC911
PFC910
PFC99
PFC98
8
9
10
11
12
13
14
15
PFC9 (PFC9H)
(PFC9L)
Remarks 1. For details of alternate function specification, see 4.3.7 (6)
Port 9 alternate function
specifications.
2. The PFC9 register can be read or written in 16-bit units.
However, when using the higher 8 bits of the PFC9 register as the PFC9H register and the
lower 8 bits as the PFC9L register, PFC9 can be read or written in 8-bit or 1-bit units.
3. To read/write bits 8 to 15 of the PFC9 register in 8-bit or 1-bit units, specify them as bits 0 to 7
of the PFC9H register.
(5) Port 9 function control expansion register (PFCE9)
After reset: 0000H
R/W
Address: PFCE9 FFFFF712H,
PFCE9L FFFFF712H, PFCE9H FFFFF713H
PFCE97
PFCE96
PFCE95 PFCE94
PFCE93 PFCE92
PFCE91
PFCE90
PFCE915 PFCE914
0
8
9
10
11
12
13
14
15
PFCE9 (PFCE9H)
(PFCE9L)
Remarks 1. For details of alternate function specification, see 4.3.7 (6)
Port 9 alternate function
specifications.
2. The PFCE9 register can be read or written in 16-bit units.
However, when using the higher 8 bits of the PFCE9 register as the PFCE9H register and the
lower 8 bits as the PFCE9L register, PFCE9 can be read or written in 8-bit or 1-bit units.
3. To read/write bits 8 to 15 of the PFCE9 register in 8-bit or 1-bit units, specify them as bits 0 to
7 of the PFCE9H register.
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