upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 362

• Manufacturer Part Number: upd70f3017ay
• Description: V850/sa1tm 32-/16-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

(3) Block diagrams (port 2)
362
Remarks 1. PU2: Pull-up resistor option register 2
2. n = 0, 3, 5
PM2: Port 2 mode register
RD: Read signal of port 2
WR: Write signal of port 2
WR
WR
WR
RD
PORT
PU
PM
Figure 14-5. Block Diagram of P20, P23, and P25
Output latch
CHAPTER 14 PORT FUNCTION
PM2n
PU2n
(P2n)
PU2
PM2
User’s Manual U12768EJ4V1UD
Selector
Alternate
function
V
DD
P-ch
P20/SI2
P23/RXD1
P25/ASCK1