HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 380
HD64F7144F50V
Manufacturer Part Number
HD64F7144F50V
Description
IC SUPERH MCU FLASH 256K 112QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7144r
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.
11.7.17 Contention between TCNT Write and Overflow/Underflow
If there is an up-count or down-count in the T2 state of a TCNT write cycle, and
overflow/underflow occurs, the TCNT write takes precedence and the TCFV/TCFU flag in TSR is
not set.
Figure 11.84 shows the operation timing when there is contention between TCNT write and
overflow.
11.7.18 Cautions on Transition from Normal Operation or PWM Mode 1 to Reset-
When making a transition from channel 3 or 4 normal operation or PWM mode 1 to reset-
synchronous PWM mode, if the counter is halted with the output pins (TIOC3B, TIOC3D,
TIOC4A, TIOC4C, TIOC4B, TIOC4D) in the high-impedance state, followed by the transition to
reset-synchronous PWM mode and operation in that mode, the initial pin output will not be
correct.
When making a transition from normal operation to reset-synchronous PWM mode, write H'11 to
registers TIORH_3, TIORL_3, TIORH_4, and TIORL_4 to initialize the output pins to low level
output, then set an initial register value of H'00 before making the mode transition.
When making a transition from PWM mode 1 to reset-synchronous PWM mode, first switch to
normal operation, then initialize the output pins to low level output and set an initial register value
of H'00 before making the transition to reset-synchronous PWM mode.
Rev.4.00 Mar. 27, 2008 Page 334 of 882
REJ09B0108-0400
Multi-Function Timer Pulse Unit (MTU)
Synchronous PWM Mode
Figure 11.84
Address
Write signal
TCNT
TCFV flag
Pφ
Contention between TCNT Write and Overflow
H'FFFF
TCNT write cycle
T1
TCNT address
T2
M
TCNT write data
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