HD6417750SF167V Renesas Electronics America, HD6417750SF167V Datasheet - Page 886
HD6417750SF167V
Manufacturer Part Number
HD6417750SF167V
Description
MPU 3V 16K PB-FREE 208-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417750RBP240DV.pdf
(1164 pages)
Specifications of HD6417750SF167V
Core Processor
SH-4
Core Size
32-Bit
Speed
167MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
28
Program Memory Type
ROMless
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 2 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
208-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Section 17 Smart Card Interface
(3) Standby Mode and Clock
When switching between smart card interface mode and standby mode, the following procedures
should be used to maintain the clock duty cycle.
Switching from Smart Card Interface Mode to Standby Mode:
1. Set the SBP1IO and SBP1DT bits in SCSPTR1 to the values for the fixed output state in
2. Write 0 to the TE and RE bits in the serial control register (SCSCR1) to stop transmit/receive
3. Write 0 to the CKE0 bit in SCSCR1 to stop the clock.
4. Wait for one serial clock cycle. During this period, the duty cycle is preserved and clock output
5. Write H'00 to the serial mode register (SCSMR1) and smart card mode register (SCSMR1).
6. Make the transition to the standby state.
Returning from Standby Mode to Smart Card Interface Mode:
7. Clear the standby state.
8. Set the CKE1 bit in SCSCR1 to the value for the fixed output state at the start of standby (the
9. Set smart card interface mode and output the clock. Clock signal generation is started with the
Rev.7.00 Oct. 10, 2008 Page 800 of 1074
REJ09B0366-0700
standby mode.
operations. At the same time, set the CKE1 bit to the value for the fixed output state in standby
mode.
is fixed at the specified level.
current SCK pin state).
normal duty cycle.
1 2 3
Normal operation
Figure 17.13 Procedure for Stopping and Restarting the Clock
4
5 6
Standby mode
7
8 9
Normal operation
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