M38039G4H-XXXHP RENESAS [Renesas Technology Corp], M38039G4H-XXXHP Datasheet - Page 18

• Manufacturer Part Number: M38039G4H-XXXHP
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
• Manufacturer: RENESAS [Renesas Technology Corp]

3803 Group (Spec.H QzROM version)
Rev.1.10
REJ03B0166-0110
Fig 12. Port block diagram (1)
Data bus
(1) Ports P0
(3) Ports P1
(5) Ports P3
(7) Ports P3
Serial I/O enable bit
Transmit enable bit
Serial I/O output
Nov 14, 2005
,
Data bus
2
Data bus
2
Data bus
5
P6
, P3
, P4
to P1
Direction
register
Port latch
3
5
7
, P2
Pull-up control bit
Pull-up control bit
Port latch
Port latch
Port latch
Direction
register
Direction
register
Direction
register
Pull-up control bit
A/D converter input
Page 18 of 91
P-channel
disable bit
output
Analog input pin
selection bit
(2) Ports P1
(4) Ports P3
(6) Ports P3
(8) Ports P3
Serial I/O synchronous clock
Serial I/O mode selection bit
Data bus
Data bus
Serial I/O enable bit
Serial I/O enable bit
Serial I/O enable bit
Data bus
Data bus
Receive enable bit
0
0
4
6
Serial I/O clock output
, P1
, P3
, P4
, P4
selection bit
4
1
1
6
, P4
Direction
register
Port latch
Pull-up control bit
Pull-up control bit
Pull-up control bit
2
Direction
register
Port latch
, P4
Port latch
Port latch
Direction
register
Direction
register
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
D/A converter output
3
, P5
Serial I/O external clock input
Interrupt input
Pull-up control bit
7
DA
DA
Serial I/O input
1
2
output enable bit (P3
output enable bit (P3
0
1
)
)