HD64F3029XBL25V Renesas Electronics America, HD64F3029XBL25V Datasheet - Page 274

MCU 5V 512K,PB-FREE 100-TQFP

HD64F3029XBL25V

Manufacturer Part Number
HD64F3029XBL25V
Description
MCU 5V 512K,PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet

Specifications of HD64F3029XBL25V

Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 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
-
7.4.11
NMI interrupts do not affect DMAC operations in short address mode.
If an NMI interrupt occurs during a transfer in full address mode, the DMAC suspends operations.
In full address mode, a channel is enabled when its DTE and DTME bits are both set to 1. NMI
input clears the DTME bit to 0. After transferring the current byte or word, the DMAC releases
the bus to the CPU. In normal mode, the suspended transfer resumes when the CPU sets the
DTME bit to 1 again. Check that the DTE bit is set to 1 and the DTME bit is cleared to 0 before
setting the DTME bit to 1.
Figure 7.21 shows the procedure for resuming a DMAC transfer in normal mode on channel 0
after the transfer was halted by NMI input.
For information about NMI interrupts in block transfer mode, see section 7.6.6, NMI Interrupts
and Block Transfer Mode.
Figure 7.21 Procedure for Resuming a DMAC Transfer Halted by NMI (Example)
Resuming DMAC transfer
DMA transfer continues
NMI Interrupts and DMAC
in normal mode
Set DTME to 1
DTME = 0
Yes
DTE = 1
No
1
2
End
1.
2.
Check that DTE = 1 and DTME = 0.
Read DTCRB while DTME = 0,
then write 1 in the DTME bit.
Rev. 2.0, 06/04, page 245 of 980

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