nRF24E1 Nordic VLSI, nRF24E1 Datasheet - Page 14

• Manufacturer Part Number: nRF24E1
• Description: 2.4Ghz RF Transceiver With Embedded 8051 Compatible Microcontroller And 9 Input, 10 Bit ADC
• Manufacturer: Nordic VLSI

PRODUCT SPECIFICATION
P0.0
(DIO2)
P0.1
(DIO3)
P0.2
(DIO4)
P0.3
(DIO5)
P0.4
(DIO6)
P0.5
(DIO7)
P0.6
(DIO8)
P0.7
(DIO9)
Table 3-2 : Port 0 (P0) functions
Port 0 is controlled by SFR-registers 0x80, 0x94 and 0x95 listed in the table below.
Table 3-3 : Port 0 control and data SFR-registers
The P1 port consists of only 3 pins, one of which is an hardwired input. The function
is controlled by SPI_CTRL.
Nordic VLSI ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone [phone] - Fax [phone]
Revision: 1.0
80
94
95
R/W
R/W
R/W
P0.0
RXD
TXD
INT0_N
INT1_N
T0
T1
PWM
8
8
8
FF
FF
00
Out
Out
Out
In
In
In
In
Out
P0
P0_DIR
P0_ALT
P0.0
RXD
TXD
INT0_N
INT1_N
T0
T1
PWM
Qhtrà #ÂsÃ(&
Port 0, pins DIO9 to DIO2
Select alternate functions for each pin of
Direction for each bit of Port 0
0: Output, 1: Input
Direction is overridden if alternate
function is selected for a pin.
P0, if corresponding bit in P0_ALT is set,
as listed in Table 3-2 : Port 0 (P0)
functions, P0.0 has no alternate
function,as it is intended as CS for
external boot flash memory. It will
function as a GPIO bit regardless of
P0_ALT.0
In
In
Out
In
In
In
In
Out
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
Out
Out
Out
Out
Out
Out
Out
Out
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
July 2003
In
In
In
In
In
In
In
In