M38039G4H-XXXHP RENESAS [Renesas Technology Corp], M38039G4H-XXXHP Datasheet - Page 19

• 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 13. Port block diagram (2)
(9) Port P3
Serial I/O3 mode selection bit
(11) Port P4
(13) Port P5
Data bus
Data bus
Data bus
S
RDY3
Serial I/O3 enable bit
Serial I/O3 ready output
Port X
output enable bit
7
1
0
Nov 14, 2005
C
switch bit
Direction
register
Port latch
Port latch
Port latch
Direction
register
Direction
register
Sub-clock generating circuit input
INT
00
Pull-up control bit
Pull-up control bit
Pull-up control bit
Interrupt input
Page 19 of 91
Serial I/O2 input
Port X
switch bit
C
Serial I/O2 transmit completion signal
Serial I/O1 mode selection bit
(10) Port P4
(12) Port P4
(14) Port P5
Data bus
Timer Z operating
Data bus
mode bits
S
Bit 2
Bit 1
Bit 0
RDY1
Data bus
Serial I/O1 enable bit
Serial I/O2 port selection bit
Port X
output enable bit
Serial I/O1 ready output
0
7
1
Serial I/O2 output
C
switch bit
Port latch
Direction
register
Port latch
Direction
register
Timer output
Direction
register
Port latch
INT
Pull-up control bit
40
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Pull-up control bit
Interrupt input
Pull-up control bit
CNTR
2
interrupt input
Port X
switch bit
P-channel
output
disable bit
C