HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 306

IC SUPERH MCU FLASH 256K 112QFP

HD64F7144F50V

Manufacturer Part Number
HD64F7144F50V
Description
IC SUPERH MCU FLASH 256K 112QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7144r
Datasheets

Specifications of HD64F7144F50V

Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
74
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)EDK7145 - DEV EVALUATION KIT SH7145
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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11.
2. Free-Running Count Operation and Periodic Count Operation:
Rev.4.00 Mar. 27, 2008 Page 260 of 882
REJ09B0108-0400
Immediately after a reset, the MTU’s TCNT counters are all designated as free-running
counters. When the relevant bit in TSTR is set to 1 the corresponding TCNT counter starts up-
count operation as a free-running counter. When TCNT overflows (from H'FFFF to H'0000),
the TCFV bit in TSR is set to 1. If the value of the corresponding TCIEV bit in TIER is 1 at
this point, the TPU requests an interrupt. After overflow, TCNT starts counting up again from
H'0000.
Figure 11.4 illustrates free-running counter operation.
When compare match is selected as the TCNT clearing source, the TCNT counter for the
relevant channel performs periodic count operation. The TGR register for setting the period is
designated as an output compare register, and counter clearing by compare match is selected
by means of bits CCLR0 to CCLR2 in TCR. After the settings have been made, TCNT starts
up-count operation as a periodic counter when the corresponding bit in TSTR is set to 1. When
the count value matches the value in TGR, the TGF bit in TSR is set to 1 and TCNT is cleared
to H'0000.
If the value of the corresponding TGIE bit in TIER is 1 at this point, the TPU requests an
interrupt. After a compare match, TCNT starts counting up again from H'0000.
Multi-Function Timer Pulse Unit (MTU)
H'FFFF
H'0000
CST bit
TCFV
TCNT value
Figure 11.4
Free-Running Counter Operation
Time

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