HD6417720BP133BV Renesas Electronics America, HD6417720BP133BV Datasheet - Page 811

• Manufacturer Part Number: HD6417720BP133BV
• Description: SH3-DSP, WITH USB AND LCDC, PB-F
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417720BP133BV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 133MHz
• Connectivity: FIFO, I²C, IrDA, MMC, SCI, SD, SIO, SIM, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 117
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Data Converters: A/D 4x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

SH7720 Group, SH7721 Group
(2)
AFEIF module supports hardware control STLC7550 that is an AFE manufactured by ST
microelectronics. Figure 22.6 shows the AFE control sequence.
R01UH0083EJ0400 Rev. 4.00
Sep 21, 2010
HC Control Sequence
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 transfers the control
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.
word in synchronization with AFE_FS.
word.
"
1
"
to the HC bit of ACTR1, the AEFIF drives AFE_HC1 to
Figure 22.6 AFE Control Sequence
Data word
(1)
"
H
AFEIF
"
for 2nd AFE_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
Section 22 Analog Front End Interface (AFEIF)
(3)
AFE mode change
"
Control word
L
"
after transmit the control
(4)
(5)
Data word
"
Mode change
H
"
right after
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