UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 309
UPD78F0034BGC-8BS-A
Manufacturer Part Number
UPD78F0034BGC-8BS-A
Description
MCU 8-Bit 78K0 CISC 32KB Flash 2.5V/3.3V/5V 64-Pin LQFP
Manufacturer
Renesas Electronics America
Datasheet
1.UPD78F0034BGK-9ET-A.pdf
(605 pages)
Specifications of UPD78F0034BGC-8BS-A
Package
64LQFP
Family Name
78K0
Maximum Speed
12 MHz
Ram Size
1 KB
Program Memory Size
32 KB
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
51
Interface Type
3-Wire/UART
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
3
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(3) Port mode register 2 (PM2)
Address: FF22H After reset: FFH
Port mode register 2 is used to set input/output of port 2 in 1-bit units.
To use the P24/TxD0 pin as a serial data output, clear PM24 and the output latch of P24 to 0.
To use the P23/RxD0 pin as a serial data input, and the P25/ASCK0 pin as a clock input, set PM23 and PM25
to 1. At this time, the output latches of P23 and P25 can be either 0 or 1.
PM2 is set by a 1-bit or 8-bit memory manipulation instruction.
RESET input sets PM2 to FFH.
Symbol
PM2
PM2n
7
1
0
1
Output mode (output buffer on)
Input mode (output buffer off)
Figure 16-6. Format of Port Mode Register 2 (PM2)
6
1
CHAPTER 16 SERIAL INTERFACE UART0
R/W
PM25
5
User’s Manual U14046EJ5V0UD
I/O mode selection of P2n pin (n = 0 to 5)
PM24
4
PM23
3
PM22
2
PM21
1
PM20
0
307
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