UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 408

• 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

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

(2) Interrupt mask flag registers (MK0L, MK0H, MK1L)
406
Address: FFE4H After reset: FFH R/W
Symbol
MK0L
Address: FFE5H After reset: FFH R/W
Symbol
MK0H
Address: FFE6H After reset: FFH R/W
Symbol
MK1L
The interrupt mask flags are used to enable/disable the corresponding maskable interrupt service.
MK0L, MK0H, and MK1L are set by a 1-bit or 8-bit memory manipulation instruction. When MK0L and MK0H
are combined to form a 16-bit register MK0, they are set by a 16-bit memory manipulation instruction.
RESET input sets these registers to FFH.
Notes 1. Incorporated only in the PD780024AY, 780034AY Subseries. Be sure to set 1 for the PD780024A,
Cautions 1. If the watchdog timer is used in watchdog timer mode 1, the contents of the WDTMK flag
2. Incorporated only in the PD780024A, 780034A Subseries. Be sure to set 1 for the PD780024AY,
2. Because port 0 pins have an alternate function as external interrupt request input, when
3. Be sure to set bits 3 to 7 of MK1L to 1.
780034A Subseries.
780034AY Subseries.
TMMK51
Figure 19-3. Format of Interrupt Mask Flag Registers (MK0L, MK0H, MK1L)
XXMKX
STMK0
<7>
<7>
become undefined when read.
the output level is changed by specifying the output mode of the port function, an interrupt
request flag is set. Therefore, 1 should be set in the interrupt mask flag before using the
output mode.
7
1
0
1
Interrupt servicing enabled
Interrupt servicing disabled
TMMK50
SRMK0
<6>
<6>
6
1
CHAPTER 19 INTERRUPT FUNCTIONS
SERMK0
TMMK01
<5>
<5>
5
1
User’s Manual U14046EJ5V0UD
TMMK00
PMK3
<4>
<4>
4
1
Interrupt servicing control
WTIMK
PMK2
<3>
<3>
3
1
IICMK0
KRMK
PMK1
<2>
<2>
<2>
Note 1
CSIMK31
WTMK
PMK0
<1>
<1>
<1>
Note 2
CSIMK30
WDTMK
ADMK0
<0>
<0>
<0>