UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 148

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

146
WR
WR
RD
(b)
PORT
P9:
PM9:
RD:
WR
PM
PD78F0840, 78F0841, 78F0842, 78F0843, 78F0846, 78F0847, 78F0848, and 78F0849
:
Figure 4-21. Block Diagram of P90 to P92 and P94 to P96 (2/2)
PM90 to PM92,
PM94 to PM96
Port register 9
Port mode register 9
Read signal
Write signal
(P90 to P92,
Output latch
P94 to P96)
Alternate
function
PM9
P9
Preliminary User’s Manual U19748EJ1V0UD
CHAPTER 4 PORT FUNCTIONS
P90/SM31 to
P92/SM33,
P94/SM41 to
P96/SM43