RCA RDR3600V, Руководство по обслуживанию

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Pin definition
Each pin is assigned as shown in chart 1.
chart 1---CPU pin definition:
Pin Type Name pin definition Description
1 O PE2 FLASH_CS Connect the serial FLASH to the first foot CS
2 O PE3
FLASH_SCLK/
LCD_DB6
Connect serial FLASH sixth pin SCK, multiplexing
to LCD_DB6
3 I PE4 FLASH_SDO
Connect serial FLASH second pin SO
4 O PE5
FLASH_SDI/
LCD_DB7
Connect serial FLASH fifth foot SI, multiplexing
to LCD_DB7
5 O PE6 DMR_SLEEP
Connect HR_C5000 forty-seventh pin POWERDOWN; high level effective.
6 S VBAT VBAT
Connect VDD with 0Ω resistor.
7 O PC13 TX_LED
TX_LED control; active high.
8 O PC14 RX_LED
RRX LED control; active high.
9 O PC15 LAMP
Key backlight control, active high
10 S VSS_5 VSS_5
Connect VSSA.
11 S VDD_5 VDD_5
Connect 3.3V.
12 I OSC_IN OSC_IN
Connect 8MHz crystal, 20pF capacitor ground.
13 O OSC_OUT OSC_OUT
With 0Ω resistor, connect 8MHz crystal, 20pF capacitor ground
14 I RESET RESET
Connect reset chip; active low. Reserved JTAG RESET
15 I PC0/EXTI0 TIME_SLOT_INTER
Connect to HR_C5000 at 48 feet TIME_SLOT_INTER
16 I PC1/EXTI1 SYS_INTER
Access to HR_C5000 pin 49 SYS_INTER
17 I PC2/EXTI2 RF_TX_INTER
Connect to HR_C5000 at 50 feet RF_TX_INTER
18 I
PC3/EXTI3/
AD123_IN13
RF_RX_INTER Connect HR_C5000 fifty-first foot RF_RX_INTER.
19 S VDD VDD
Connect 3.3V .
20 S VSS VSS
Connect VSSA
21 S VREF+ VREF+
Connect 3.3V.
22 S VDDA VDDA
Connect 3.3V.
23 I
PA0/
ADC123_IN0
MANDOWN
MANDOWN input;
24 I
PA1/
ADC123_IN1
BATT Battery voltage detection.
25 I
PA2/
ADC123_IN2
QT/DQT_IN
QT/DQT input;
26 I
PA3/
ADC123_IN3
VOX
VOX detection input
27 S VSS_4 VSS_4
Connect VSSA
28 S VDD_4 VDD_4
Connect 3.3V.
29 O PA4/ APC/TV Transmit power control and receive tuned D / A outputs