Harman Kardon AVR 70/230, Service Manual

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User Guide — EPF011C_UG
Confidential Proprietary
NON-DISCLOSURE AGREEMENT REQUIRED
6
2.3 Pin Description
Unless otherwise stated, unused input pins must be tied to ground, and unused output pins left open.
Table 2-1 Pin Description
Name In/Out Buffer Type Description
OP_MODE IN IXDXXP
Chip operation mode.
0: Normal mode
1: ICP (In Circuit Flash Programming) mode
NOTE: The input crystal rate will be 24MHz if this ICP mode is used.
RSTb IN
BDUX8P
External Reset (active low) with on-chip pull-up. When this pin is asserted
low, the chip is totally reset.
X_IN IN XTL24P crystal input
X_OUT OUT XTL24P crystal output
P0[2:0] IN/OUT BRXX12P GPIO port 0 with programmable Open Drain capability.
P11 IN/OUT BRUX8P
GPIO port 1 or Keyboard Interrupt inputs with internal 20K
:
pull-up to
VDD
P21 IN/OUT BRXX8P GPIO port 2 with programmable Open Drain capability.
P3[5:4, 1:0] OD IN/OUT BRXX8P Open Drain I/O port 3. Shared with IIC.
P41 IN/OUT BRXX8P GPIO port 4 or External Interrupt inputs
P50 IN/OUT BRXX24P GPIO port 5 with programmable Open Drain capability. 20 mA drive
P7[4,1:0] IN/OUT
BRXX8P
Open Drain I/O port 7. P7[1:0] shared with Serial Port. P7[4] share with
CIR.
P87 IN/OUT BRXX8P GPIO port 8 with programmable Open Drain capability. Share with PWM
P90 IN/OUT BRXX8P GPIO port 9 with programmable Open Drain capability.
VDD PWR - Digital VDD (3.3V)
VSS PWR - Digital Ground
Explore Microelectronics Inc.
GPIO port 5 with programmable Open Drain capability. 20 mA drive GPIO port 5 with programmable Open Drain capability. 20 mA drive
Explore Microelectronics Inc.
BRXX24P BRXX24P
Explore Microelectronics Inc.
IN/OUT IN/OUT
Explore Microelectronics Inc. Explore Microelectronics Inc. Explore Microelectronics Inc. Explore Microelectronics Inc. Explore Microelectronics Inc. Explore Microelectronics Inc.
Open Drain I/O port 7. P7[1:0] shared with Serial Port. P7[4] share with
Explore Microelectronics Inc. Explore Microelectronics Inc. Explore Microelectronics Inc. Explore Microelectronics Inc. Explore Microelectronics Inc.
Confidential
Open Drain I/O port 7. P7[1:0] shared with Serial Port. Open Drain I/O port 7. P7[1:0] shared with Serial Port.
CIR. CIR.
Confidential
BRXX8P BRXX8P
Confidential
For
GPIO port 8 with programmable Open Drain capability. Share with PWM GPIO port 8 with programmable Open Drain capability. Share with PWM
For
GPIO port 9 with programmable Open Drain capability. GPIO port 9 with programmable Open Drain capability.
For
Fusiontectronics co., Ltd.
Digital VDD (3.3V) Digital VDD (3.3V)
Fusiontectronics co., Ltd.
- -
Fusiontectronics co., Ltd.
PWR PWR
Fusiontectronics co., Ltd. Fusiontectronics co., Ltd. Fusiontectronics co., Ltd.
Digital Ground Digital Ground
Fusiontectronics co., Ltd.
PWR PWR
Fusiontectronics co., Ltd. Fusiontectronics co., Ltd. Fusiontectronics co., Ltd. Fusiontectronics co., Ltd.
Internal Use Only
Digital Ground Digital Ground
Internal Use Only Internal Use Only Internal Use Only Internal Use Only Internal Use Only