UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 156
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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6.2.8 Port 6
units with port mode register 6 (PM6). An on-chip pull-up resistor of P64 to P67 pins can be used for them in 1-bit
units with pull-up resistor option register 6 (PU6).
154
Port 6 is a 4-bit I/O port with output latch. The P64 to P67 pins can specify the input mode/output mode in 1-bit
This port can also be used as a control signal output in external memory expansion mode.
RESET input sets port 6 to input mode.
Figures 6-19 and 6-20 show block diagrams of port 6.
Cautions 1. The internal pull-up resistor is not disconnected even if the external memory expansion mode
PU: Pull-up resistor option register
PM: Port mode register
RD: Port 6 read signal
WR: Port 6 write signal
WR
2. When external wait is not used in external memory expansion mode, P66 can be used as an
WR
WR
RD
PORT
is set when PU6n = 1 (n = 4 to 7).
I/O port.
PM
PU
PM64, PM65, PM67
PU64, PU65, PU67
(P64, P65, P67)
Figure 6-19. Block Diagram of P64, P65, and P67
Output latch
Alternate
function
CHAPTER 6 PORT FUNCTIONS
User’s Manual U14046EJ5V0UD
mode register (MEM)
Memory expansion
Selector
Selector
V
DD0
P-ch
P64/RD,
P65/WR,
P67/ASTB
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