參數資料
型號: UPD70F3261YGF-JBT-A
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, PLASTIC, QFP-100
文件頁數: 16/129頁
文件大?。?/td> 8549K
代理商: UPD70F3261YGF-JBT-A
CHAPTER 4 PORT FUNCTIONS
User’s Manual U16541EJ5V1UD
112
(4) Port 3 function control register (PFC3)
After reset: 0000H
R/W
Address: PFC3 FFFFF466H,
PFC3L FFFFF466H, PFC3L FFFFF467H
0
PFC39
PFC38
PFC37
PFC36
PFC35
PFC34
PFC33
PFC32
PFC31
PFC30
8
9
10
11
12
13
14
15
PFC3 (PFC3H)
(PFC3L)
Remarks 1. For details of alternate function specification, see 4.3.3 (6)
Port 3 alternate function
specifications.
2. The PFC3 register can be read or written in 16-bit units.
However, when using the higher 8 bits of the PFC3 register as the PFC3H register and the
lower 8 bits as the PFC3L register, PFC3 can be read or written in 8-bit and 1-bit units.
3. To read/write bits 8 to 15 of the PFC3 register in 8-bit or 1-bit units, specify them as bits 0 to 7
of the PFC3H register.
(5) Port 3 function control expansion register L (PFCE3L)
PFCE3L
After reset: 00H
R/W
Address: FFFFF706H
0
PFCE32
0
Remark
For details of alternate function specification, see 4.3.3 (6)
Port 3 alternate function
specifications.
(6) Port 3 alternate function specifications
PFC39
Specification of P39 pin alternate function
0
RXDA2 input
1
SCL00 input
PFC38
Specification of P38 pin alternate function
0
TXDA2 output
1
SDA00 I/O
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