HD6417727F160V Renesas Electronics America, HD6417727F160V Datasheet - Page 732

• Manufacturer Part Number: HD6417727F160V
• Description: MPU 3V 16K PB-FREE 240-QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417727F160V

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 160MHz
• Connectivity: FIFO, SCI, SIO, SmartCard, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 104
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.7 V ~ 2.05 V
• Data Converters: A/D 6x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 240-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 21 Analog Front End Interface (AFEIF)
(2) HC Control Sequence
AFEIF module supports hardware control STLC7550 that is an AFE manufactured by ST
microelectronics. Figure 21.6 shows the AFE control sequence.
Rev.6.00 Mar. 27, 2009 Page 674 of 1036
REJ09B0254-0600
Write "1" to HC bit of ACTR1
1. If the CPU write
2. AFE fetches the HC1's status of
3. AFE output the FS at the next 1/2 sampling period and then AFEIF transfer the AFE
4. AFEIF keeps AFE_HC1 to
5. AFE fetches the AFE_HC1's status of
Write 1 to HC bit of ACTR1
AFE_FS
AFE_TXOUT
AFE_HC1
HC0: Kept to 1
transmit next data.
control word.
"
1
"
to the HC bit of ACTR1, the AEFIF drives AFE_HC1 to
Figure 21.6 AFE Control Sequence
Data word
(1)
"
H
AFE I/F
"
for 2nd FS and return to
"
H
"
HC1 goes to 1
HC1 goes to 0
at rising edgge of next AFE_FS.
"
L
DATA
DATA
DATA
DATA
DATA
DATA
"
and changes the mode of itself.
1/2 sampling period
(2)
STLC7550
Data word
FS for data
FS for data
FS for data
FS for control word
FS for data
FS for data
Sampling period
"
L
"
after transmit the control word.
(3)
AFE mode change
Control word
(4)
(5)
Data word
"
Mode change
H
"
right after