HD64F3337YCP16 Renesas Electronics America, HD64F3337YCP16 Datasheet - Page 118
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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4.3.6
Table 4.4 indicates the number of states that elapse from an interrupt request signal until the first
instruction of the software interrupt-handling routine is executed. Since on-chip memory is
accessed 16 bits at a time, very fast interrupt service can be obtained by placing interrupt-handling
routines in on-chip ROM and the stack in on-chip RAM.
Table 4.4
No.
1
2
3
4
5
6
Notes: *1 These values do not apply if the current instruction is EEPMOV.
4.3.7
Note that the following type of contention can occur in interrupt handling.
When software clears the enable bit of an interrupt to 0 to disable the interrupt, the interrupt
becomes disabled after execution of the clearing instruction. If an enable bit is cleared by a BCLR
or MOV instruction, for example, and the interrupt is requested during execution of that
instruction, at the instant when the instruction ends the interrupt is still enabled, so after execution
of the instruction, the hardware exception-handling sequence is executed for the interrupt. If a
higher-priority interrupt is requested at the same time, however, the hardware exception-handling
sequence is executed for the higher-priority interrupt and the interrupt that was disabled is ignored.
Similar considerations apply when an interrupt request flag is cleared to 0.
86
*2 If wait states are inserted in external memory access, add the number of wait states.
*3 1 for internal interrupts.
Interrupt Response Time
Precaution
Reason for Wait
Interrupt priority decision
Wait for completion of current
instruction
Save PC and CCR
Fetch vector
Fetch instruction
Internal processing
Total
Number of States before Interrupt Service
*1
On-Chip Memory
2
1 to 13
4
2
4
4
17 to 29
*3
Number of States
External Memory
2
5 to 17
12
6
12
4
41 to 53
*3
*2
*2
*2
*2
*2
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