HD64F3437STF16V Renesas Electronics America, HD64F3437STF16V Datasheet - Page 107
HD64F3437STF16V
Manufacturer Part Number
HD64F3437STF16V
Description
MCU 3/5V 60K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300r
Datasheet
1.HD64F3437STF16V.pdf
(755 pages)
Specifications of HD64F3437STF16V
Core Processor
H8/300
Core Size
8-Bit
Speed
16MHz
Connectivity
Host Interface, I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F3437STF16V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD64F3437STF16V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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4.3.5
Interrupts are controlled by an interrupt controller that arbitrates between simultaneous interrupt
requests, commands the CPU to start the hardware interrupt exception-handling sequence, and
furnishes the necessary vector number. Figure 4.4 shows a block diagram of the interrupt
controller.
The IRQ interrupts and interrupts from the on-chip supporting modules (except for reset selected
for a watchdog timer overflow) all have corresponding enable bits. When the enable bit is cleared
to 0, the interrupt signal is not sent to the interrupt controller, so the interrupt is ignored. These
interrupts can also all be masked by setting the CPU’s interrupt mask bit (I) to 1. Accordingly,
these interrupts are accepted only when their enable bit is set to 1 and the I bit is cleared to 0.
The nonmaskable interrupt (NMI) is always accepted, except in the reset state and hardware
standby mode.
NMI interrupt
IRQ
IRQ0E
IRIC
IEIC
Note: *
0
flag
Interrupt Handling
For edge-sensed interrupts, these AND gates change to the circuit shown below.
IRQ
Figure 4.4 Block Diagram of Interrupt Controller
*
IRQ0E
0
IRQ
interrupt
IICI
interrupt
edge
0
IRQ
S
0
decision
Priority
flag
Q
IRQ
Interrupt
controller
Interrupt request
Vector number
0
interrupt
CPU
I (CCR)
75
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