HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 543

• Manufacturer Part Number: HD6417712BPV
• Description: MPU 1.5/3.3V 0K PB-FREE 256-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Ethernetr

Specifications of HD6417712BPV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, Ethernet, FIFO, SCI, SIO
• Peripherals: DMA, POR, WDT
• Number Of I /o: 24
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

14.2.3
The TMU has three timer constant registers (TCOR), one for each channel. The TCOR registers
set the value to be set in TCNT when TCNT underflows.
The TCOR registers are 32-bit readable/writable registers. They are initialized to H'FFFFFFFF by
a power-on reset or manual reset, but are not initialized, and retain their contents, in standby
mode.
14.2.4
The TMU has three timer counters (TCNT), one for each channel. The timer counters (TCNT)
counts down upon input of a clock. The input clock is selected using the TPSC2 to TPSC0 bits in
the timer control registers (TCR).
Bit
5
4, 3
2
1
0
Bit Name
UNIE

TPSC2
TPSC1
TPSC0
Timer Constant Registers (TCOR)
Timer Counters (TCNT)
Initial Value R/W
0
All 0
0
0
0
R/W
R
R/W
R/W
R/W
Description
Underflow Interrupt Control
Controls enabling of interrupt generation when the
status flag (UNF) indicating TCNT underflow has been
set to 1.
0: Interrupt due to UNF (TUNI) is disabled
1: Interrupt due to UNF (TUNI) is enabled
Reserved
These bits are always read as 0. The write value
should always be 0.
Timer Prescaler 2 to 0
Select the TCNT count clock.
000: Count on Pφ/4
001: Count on Pφ/16
010: Count on Pφ/64
011: Count on Pφ/256
100: Reserved (Setting prohibited)
101: Reserved (Setting prohibited)
110: Reserved (Setting prohibited)
111: Reserved (Setting prohibited)
Rev. 1.00 Dec. 27, 2005 Page 499 of 932
Section 14 Timer Unit (TMU)
REJ09B0269-0100