D64F3437TFLH16V Renesas Electronics America, D64F3437TFLH16V Datasheet - Page 256
D64F3437TFLH16V
Manufacturer Part Number
D64F3437TFLH16V
Description
MCU 5V 60K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300r
Datasheet
1.HD64F3437STF16V.pdf
(755 pages)
Specifications of D64F3437TFLH16V
Core Processor
H8/300
Core Size
8-Bit
Speed
16MHz
Connectivity
Host Interface, I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D64F3437TFLH16V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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11.2.2
Note: * Software can write a 0 in bit 7 to clear the flag, but cannot write a 1 in this bit.
TCSR is an 8-bit readable/writable register that selects the timer mode and clock source and
performs other functions. (TCSR is write-protected by a password. See section 11.2.3, Register
Access, for details.)
Bits 7 to 5 and bit 3 are initialized to 0 by a reset and in the standby modes. Bits 2 to 0 are
initialized to 0 by a reset, but retain their values in the standby modes.
Bit 7—Overflow Flag (OVF): Indicates that the watchdog timer count has overflowed.
Bit 7: OVF
0
1
Bit 6—Timer Mode Select (WT/IT): Selects whether to operate in watchdog timer mode or
interval timer mode. When TCNT overflows, an WOVF interrupt request is sent to the CPU in
interval timer mode. For watchdog timer mode, a reset or NMI interrupt is requested.
Bit 6: WT/IT
0
1
Bit 5—Timer Enable (TME): Enables or disables the timer.
Bit 5: TME
0
1
224
Bit
Initial value
Read/Write
Timer Control/Status Register (TCSR)
R/(W)*
OVF
Description
To clear OVF, the CPU must read OVF after it has been set to 1, then write a 0
in this bit
Set to 1 when TCNT changes from H'FF to H'00
Description
Interval timer mode (WOVF request)
Watchdog timer mode (reset or NMI request)
Description
TCNT is initialized to H'00 and stopped
TCNT runs and requests a reset or an interrupt when it overflows
7
0
WT/IT
R/W
6
0
TME
R/W
5
0
—
—
4
1
RST/NMI
R/W
3
0
CKS2
R/W
2
0
CKS1
R/W
1
0
(Initial value)
(Initial value)
(Initial value)
CKS0
R/W
0
0
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