HD64F3337YCP16 Renesas Electronics America, HD64F3337YCP16 Datasheet - Page 113
HD64F3337YCP16
Manufacturer Part Number
HD64F3337YCP16
Description
IC H8 MCU FLASH 60K 84PLCC
Manufacturer
Renesas Electronics America
Series
H8® H8/300r
Specifications of HD64F3337YCP16
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
84-PLCC
Package
84PLCC
Family Name
H8
Maximum Speed
16 MHz
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
74
Interface Type
HIF/I2C/SCI
On-chip Adc
8-chx10-bit
On-chip Dac
2-chx8-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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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
IRQ0 flag
IRQ0E
IRIC
IEIC
Note: *
Interrupt Handling
For edge-sensed interrupts, these AND gates change to the circuit shown below.
IRQ0 edge
Figure 4.4 Block Diagram of Interrupt Controller
IRQ0E
*
IRQ0
interrupt
IICI
interrupt
IRQ0 flag
S
decision
Priority
Q
IRQ0 interrupt
Interrupt
controller
Interrupt request
Vector number
CPU
I (CCR)
81
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