HD64F7047FW40V Renesas Electronics America, HD64F7047FW40V Datasheet - Page 369
HD64F7047FW40V
Manufacturer Part Number
HD64F7047FW40V
Description
MCU 5V 256K I-TEMP,PB-FREE 100-Q
Manufacturer
Renesas Electronics America
Series
SuperH® SH7047r
Datasheet
1.HD64F7047F50V.pdf
(766 pages)
Specifications of HD64F7047FW40V
Core Processor
SH-2
Core Size
32-Bit
Speed
40MHz
Connectivity
CAN, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
53
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Reading from TCNT, TCSR, and RSTCSR: TCNT, TCSR, and RSTCSR are read like other
registers. Use byte transfer instructions. The read addresses are H'FFFF8610 for TCSR,
H'FFFF8611 for TCNT, and H'FFFF8613 for RSTCSR.
11.6.2
If a timer counter increment clock pulse is generated during the T3 state of a write cycle to TCNT,
the write takes priority and the timer counter is not incremented. Figure 11.8 shows this operation.
11.6.3
If the values of bits CKS2 to CKS0 in the timer control/status register (TCSR) are rewritten while
the WDT is running, the count may not increment correctly. Always stop the watchdog timer (by
clearing the TME bit to 0) before rewriting the values of bits CKS2 to CKS0.
11.6.4
To prevent incorrect operation, always stop the watchdog timer (by clearing the TME bit to 0)
before switching between interval timer mode and watchdog timer mode.
TCNT Write and Increment Contention
Changing CKS2 to CKS0 Bit Values
Changing between Watchdog Timer/Interval Timer Modes
Address
Internal write
signal
TCNT input
clock
TCNT
Figure 11.8 Contention between TCNT Write and Increment
φ
TCNT write cycle
T 1
TCNT address
N
T 2
Counter write data
T 3
Rev. 2.00, 09/04, page 327 of 720
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