UPD78F1174AGF-GAT-AX Renesas Electronics America, UPD78F1174AGF-GAT-AX Datasheet - Page 188
UPD78F1174AGF-GAT-AX
Manufacturer Part Number
UPD78F1174AGF-GAT-AX
Description
MCU 16BIT 78K0R/KX3 128-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet
1.UPD78F1174AGF-GAT-AX.pdf
(968 pages)
Specifications of UPD78F1174AGF-GAT-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, EBI/EMI, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
111
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Part Number:
UPD78F1174AGF-GAT-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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(2) Memory extension mode control register (MEM)
186
Address: FFFFFH
Symbol
MEM
Note In the 8-bit bus mode, 16-bit access instructions cannot be used.
MEM is a register that sets an external extension area.
MEM can be set by a 1-bit or 8-bit manipulation instruction.
Reset signal generation clears this register to 00H.
EXWEN
EXEN
EXEN
MM3
MM2
MM1
EW1
0
1
0
1
0
0
1
1
0
1
0
1
0
0
1
1
7
After reset: 00H
Figure 5-3. Format of Memory Extension Mode Control Register (MEM)
Single-chip mode (Port function is valid.)
External bus interface is used.
External wait pin is not used and can be used as a port.
External wait pin is used.
Multiplexed bus mode
(Can be selected only for accessing memory and cannot be selected for fetching.)
Separate bus mode
8-bit bus mode
(Can be selected only for accessing memory and cannot be selected for fetching.)
16-bit bus mode
EXWEN
EW0
MM0
6
0
1
0
1
0
1
0
1
f
f
f
f
256-byte extension mode. 8 address bus pins are used.
4 KB extension mode. 12 address bus pins are used.
64 KB extension mode. 16 address bus pins are used.
Full address mode. 20 address bus pins are used.
CLK
CLK
CLK
CLK
Note
CHAPTER 5 EXTERNAL BUS INTERFACE
R/W
EW1
/2
/3
/4
5
Bus mode switching of external bus interface
Bus width selection of external bus interface
User’s Manual U18432EJ5V0UD
External bus interface enable flag
EW0
External wait pin enable signal
4
CLKOUT pin output clock selection
MM3
Mode selection
3
MM2
2
MM1
1
MM0
0
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