m38039mf-xxxsp Mitsumi Electronics, Corp., m38039mf-xxxsp Datasheet - Page 26

• Manufacturer Part Number: m38039mf-xxxsp
• Description: Single-chip 8-bit Cmos Microcomputer
• Manufacturer: Mitsumi Electronics, Corp.

Fig. 21 Port block diagram of 3804 group (3)
26
( 1 5 ) P o r t P 5
( 1 7 ) P o r t s P 5
D a t a b u s
Data bus
Serial I/O2 synchronous clock
S e r i a l I / O 2 p o r t s e l e c t i o n b i t
2
S e r i a l I / O 2 c l o c k o u t p u t
4
P u l s e o u t p u t m o d e
, P 5
P o r t l a t c h
D i r e c t i o n
r e g i s t e r
D i r e c t i o n
P o r t l a t c h
selection bit
r e g i s t e r
5
Timer output
P u l l - u p c o n t r o l b i t
Serial I/O2 external clock input
C N T R i n t e r r u p t i n p u t
Pull-up control bit
D a t a b u s
( 1 6 ) P o r t P 5
( 1 8 ) P o r t P 5
D a t a b u s
PWM output enable bit
S
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
S e r i a l I / O 2 r e a d y o u t p u t
R D Y 2
3
6
o u t p u t e n a b l e b i t
Port latch
Direction
register
D i r e c t i o n
Port latch
r e g i s t e r
PWM output
MITSUBISHI MICROCOMPUTERS
Pull-up control bit
P u l l - u p c o n t r o l b i t
3803/3804 Group