D6417709SHF200BV Renesas Electronics America, D6417709SHF200BV Datasheet - Page 249
D6417709SHF200BV
Manufacturer Part Number
D6417709SHF200BV
Description
IC SUPER H MPU ROMLESS 208LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.D6417709SBP167BV.pdf
(809 pages)
Specifications of D6417709SHF200BV
Core Processor
SH-3
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, FIFO, IrDA, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
96
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.85 V ~ 2.15 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
208-QFP Exposed Pad, 208-eQFP, 208-HQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D6417709SHF200BV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 249 of 809
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9.1
The on-chip oscillation circuits consist of a clock pulse generator (CPG) block and a watchdog
timer (WDT) block. The WDT is a single-channel timer that counts the clock settling time and is
used when clearing standby mode and temporary standbys, such as frequency changes. It can also
be used as an ordinary watchdog timer or interval timer.
9.1.1
The CPG has the following features:
The WDT has the following features:
Four clock modes: Selection of four clock modes for different frequency ranges, power
consumption, direct crystal input, and external clock input.
Three clocks generated independently: An internal clock for the CPU, cache, and TLB (I ); a
peripheral clock (P ) for the on-chip peripheral modules; and a bus clock (CKIO) for the
external bus interface.
Frequency change function: Internal and peripheral clock frequencies can be changed
independently using the PLL circuit and divider circuit within the CPG. Frequencies are
changed by software using frequency control register (FRQCR) settings.
Power-down mode control: The clock can be stopped for sleep mode and standby mode and
specific modules can be stopped using the module standby function.
Can be used to ensure the clock settling time: Use the WDT to cancel standby mode and the
temporary standbys which occur when the clock frequency is changed.
Can switch between watchdog timer mode and interval timer mode.
Generates internal resets in watchdog timer mode: Internal resets occur after counter overflow.
Selection of power-on reset or manual reset.
Generates interrupts in interval timer mode: Internal timer interrupts occur after counter
overflow.
Selection of eight counter input clocks. Eight clocks ( 1 to 1/4096) can be obtained by
dividing the peripheral clock.
Overview
Features
Section 9 On-Chip Oscillation Circuits
Rev. 5.00, 09/03, page 203 of 760
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