HD64F3029XBL25V Renesas Electronics America, HD64F3029XBL25V Datasheet - Page 210
![MCU 5V 512K,PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
HD64F3029XBL25V
Manufacturer Part Number
HD64F3029XBL25V
Description
MCU 5V 512K,PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.HD64F3029X25.pdf
(1012 pages)
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
-
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6.6
6.6.1
When DRAM is not connected to the H8/3029 chip, the refresh timer can be used as an interval
timer by clearing bits DRAS2 to DRAS0 in DRCRA to 0. After setting RTCOR, selection a clock
source with bits CKS2 to CKS0 in RTMCSR, and set the CMIE bit to 1.
Timing of Setting of Compare Match Flag and Clearing by Compare Match: The CMF flag
in RTMCSR is set to 1 by a compare match output when the RTCOR and RTCNT values match.
The compare match signal is generated in the last state in which the values match (when RTCNT
is updated from the matching value to a new value). Accordingly, when RTCNT and RTCOR
match, the compare match signal is not generated until the next counter clock pulse. Figure 6.38
shows the timing.
Operation in Power-Down State: The interval timer operates in sleep mode. It does not operate
in hardware standby mode. In software standby mode, RTCNT and RTMCSR bits 7 and 6 are
initialized, but RTMCSR bits 5 to 3 and RTCOR retain their settings prior to the transition to
software standby mode.
Contention between RTCNT Write and Counter Clear: If a counter clear signal occurs in the
T
performed. See figure 6.39.
Compare match
3
state of an RTCNT write cycle, clearing of the counter takes priority and the write is not
CMF flag
RTCOR
RTCNT
signal
Interval Timer
Operation
Figure 6.38 Timing of CMF Flag Setting
N
N
Rev. 2.0, 06/04, page 181 of 980
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