UPD78F1001GA-HAA-AX Renesas Electronics America, UPD78F1001GA-HAA-AX Datasheet - Page 907
UPD78F1001GA-HAA-AX
Manufacturer Part Number
UPD78F1001GA-HAA-AX
Description
MCU 16BIT 78K0R/KX3-L 44-TQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3-Lr
Datasheet
1.UPD78F1000GB-GAF-AX.pdf
(1171 pages)
Specifications of UPD78F1001GA-HAA-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 10x10b
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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Company:
Part Number:
UPD78F1001GA-HAA-AX
Manufacturer:
Renesas Electronics America
Quantity:
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78K0R/Kx3-L
19.3 Register Controlling Key Interrupt
R01UH0106EJ0300 Rev.3.00
Oct 01, 2010
(1) Key return mode register (KRM)
Cautions 1. If any of the KRM0 to KRM7 bits used is set to 1, set bits 0 to 7 (PU70 to PU77) of the
Remarks 1. n = 0 to 7
This register controls the KRM0 to KRM7 bits using the KR0 to KR7 signals, respectively.
The KRM register can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
2. An interrupt will be generated if the target bit of the KRM register is set while a low level is being
3. The bits not used in the key interrupt mode can be used as normal ports.
2. KR0 to KR5: 78K0R/KC3-L
Symbol
corresponding pull-up resistor register 7 (PU7) to 1.
input to the key interrupt input pin. To ignore this interrupt, set the KRM register after disabling
interrupt servicing by using the interrupt mask flag. Afterward, clear the interrupt request flag
and enable interrupt servicing after waiting for the key interrupt input low-level width (250 ns or
more).
KR0 to KR7: 78K0R/KD3-L, 78K0R/KE3-L, 78K0R/KF3-L, and 78K0R/KG3-L
Address: FFF37H
KRM
KRMn
KRM7
Figure 19-2. Format of Key Return Mode Register (KRM)
0
1
7
Does not detect key interrupt signal
Detects key interrupt signal
After reset: 00H
KRM6
6
KRM5
5
R/W
KRM4
Key interrupt mode control
4
KRM3
CHAPTER 19 KEY INTERRUPT FUNCTION
3
KRM2
2
KRM1
KRM0
0
907
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