NEC UPD98413 User Manual page 170

(2) Port enable register (PENB)
The PENB register controls the enable of all ports.
Register Address
Name
PENB 0004H
31 30 29 28
15 14 13 12
Reserved
Bit Field
D31-D8 Reserved Set to 0.
1: Enables the receive function of the port3 of the
D7 P3ER
1: Enables the receive function of the port2 of the
D6 P2ER
1: Enables the receive function of the port1 of the
D5 P1ER
1: Enables the receive function of the port0 of the
D4 P0ER
1: Enables the transmit function of the port3 of the
D3 P3ET
1: Enables the transmit function of the port2 of the
D2 P2ET
1: Enables the transmit function of the port1 of the
D1 P1ET
1: Enables the transmit function of the port0 of the
D0 P0ET
170
CHAPTER 5 REGISTERS
Common register
Access Default
R/W 00000000 H
27 26 25 24
Reserved
11 10 9 8
P3ER P2ER P1ER P0ER P3ET P2ET P1ET P0ET
PRELIMINARY
23 22 21 20
7 6 5 4
Function
µ
PD98413. 0: Disable
µ
PD98413. 0: Disable
µ
PD98413. 0: Disable
µ
PD98413. 0: Disable
µ
PD98413. 0: Disable
µ
PD98413. 0: Disable
µ
PD98413. 0: Disable
µ
PD98413. 0: Disable
19 18 17 16
3 2 1 0
Default
0
0
0
0
0
0
0
0
0
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