Pioneer HTP-071, Руководство по обслуживанию

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30
HTP-071
1 2 3 4
A
B
C
D
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1 2 3 4
• Pin Function
Name In/Out Description
OP_MODE I N Chip operation mode.
0:
N ormal mode
1: ICP (In Circuit Flash Programming) mode
N OTE: The input crystal rate will be 24 MHz if this ICP mode is used.
RSTb I N External Reset (active low) with on-chip pull-up.
When this pin is asserted low, the chip is totally reset.
X_I N I N Crystal input
X_OUT OUT Crystal output
P0[2:0] I N /OUT GPIO port 0 with programmable Open Drain capability.
P11 I N /OUT GPIO port 1 or Keyboard Interrupt inputs with internal 20 k
Ω
pull-up to VDD
P21 I N /OUT GPIO port 2 with programmable Open Drain capability.
P3[5:4, 1:0] OD I N /OUT Open Drain I/O port 3. Shared with IIC.
P41 I N /OUT GPIO port 4 or External Interrupt inputs
P50 I N /OUT GPIO port 5 with programmable Open Drain capability. 20 mA drive
P7[4,1:0] I N /OUT Open Drain I/O port 7. P7[1:0] shared with Serial Port. P7[4] share with CIR.
P87 I N /OUT GPIO port 8 with programmable Open Drain capability. Share with PWM
P90 I N /OUT GPIO port 9 with programmable Open Drain capability.
VDD PWR Digital VDD (3.3 V)
VSS PWR Digital Ground
Buffer Type
IXDXXP
BDUX8P
XTL24P
XTL24P
BRXX12P
BRUX8P
BRXX8P
BRXX8P
BRXX8P
BRXX24P
BRXX8P
BRXX8P
BRXX8P
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