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參數(shù)資料
| 型號： | SPMC802B-PD11 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 32-pin General Purpose Microcontroller (OTP) |
| 中文描述： | 32引腳的通用微控制器（檢察官） |
| 文件頁數(shù)： | 8/27頁 |
| 文件大小： | 1041K |
| 代理商： | SPMC802B-PD11 |
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SPMC802B
In SPMC802B, the output mode on PB2 and PB1 can be an
open-drain pin with slow transition by program. To achieve the
slow transition function, programming the bit
slowe
in RPA to '1'
will enforce the output high to low transition time to 250ns
±
20%
with 50pf pad loading at 2.0MHz CPU frequency.
PB7 can be a PWM waveform output. PB6 can be an external
clock or event input for Timer2. PB5 is used as external interrupt
input with falling-edge trigger. PB4 can be used as external
active-low reset input by enabling the configurable option. PB0
can be reference voltage input for Comparator function. In case
of using PB0 as external reference voltage input, the resistive
pull-up/down should be disabled. The more details are described
in related sections.
The corresponding pads are assigned for SPMC802B as following: (VDD = 5.0V)
PIN
Rp
IN
OUT
Special Function
PB7
100K Up/Down@rpb7
8/8mA
PWM waveform output
PB6
100K Up/Down@rpb6
8/8mA
External clock/event input
PB5
No Pull-Up/Down
Schmitt-Trigger
-/8mA
IRQ0 interrupt input
PB4
100K Up@rpb4
Schmitt-Trigger
8/8mA
External nRESET input
PB3
100K Up/Down@rpb3
8/8mA
PB2
100K Up@rpb2
-/20mA
PB1
100K Up@rpb1
-/20mA
PB0
100K Up/Down@rpb0
8/8mA
Comparator Vref input
5.3. Port C Group
The I/O port C has 8 programmable I/Os that are controlled by
data register PC, direction control register DPC, and pull-up/down
resistance control register RPC. DPC is used to control the pad
I/O attribute. Setting the bit(s) to '1' will enforce the
corresponding pad(s) to output mode. It is a write-only register.
PC is used to store the data contents for output. Reading PC will
get the stored data when corresponding bit of DPC is set as output
mode, or will get the pad status if it is in input mode.
There is a built-in Pull-Up/Down resistor on each pad. These
pull-up/down resistors should be selected either pull-up or
pull-down by configurable option first, and then can be controlled
by users' program through RPC.
PC7:0 are used as external interrupt inputs. The more details are
described in section Interrupt.
The corresponding pads are assigned for SPMC802B as following: (VDD = 5.0V)
PIN
Rp
IN
OUT
Special Function
PC7
100K Up/Down@rpc7
8/8mA
IRQ2 interrupt input
PC6
100K Up/Down@rpc6
8/8mA
IRQ2 interrupt input
PC5
100K Up/Down@rpc5
8/8mA
IRQ2 interrupt input
PC4
100K Up/Down@rpc4
8/8mA
IRQ2 interrupt input
PC3
100K Up/Down@rpc3
8/8mA
IRQ2 interrupt input
PC2
100K Up/Down@rpc2
8/8mA
IRQ2 interrupt input
PC1
100K Up/Down@rpc1
8/8mA
IRQ2 interrupt input
PC0
100K Up/Down@rpc0
8/8mA
IRQ2 interrupt input
Sunplus Technology Co., Ltd.
Proprietary & Confidential
8
AUG. 07, 2002
Version: 1.0
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