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參數(shù)資料
| 型號(hào)： | BU8272GUW-E2 |
| 廠商： | Rohm Semiconductor |
| 文件頁(yè)數(shù)： | 3/17頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC EXPANDER GPIO LSI 35-VBGA |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 接口： | 串行 |
| 輸入/輸出數(shù)： | 20 |
| 中斷輸出： | 是 |
| 頻率 - 時(shí)鐘： | 400kHz |
| 電源電壓： | 1.65 V ~ 1.95 V，1.65 V ~ 3.45 V |
| 工作溫度： | -25°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 36-VFBGA |
| 供應(yīng)商設(shè)備封裝： | VBGA035W040 |
| 包裝： | 帶卷 (TR) |
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2001 Microchip Technology Inc.
DS30292C-page 9
PIC16F87X
PORTC is a bi-directional I/O port.
RC0/T1OSO/T1CKI
15
16
32
I/O
ST
RC0 can also be the Timer1 oscillator output or a
Timer1 clock input.
RC1/T1OSI/CCP2
16
18
35
I/O
ST
RC1 can also be the Timer1 oscillator input or
Capture2 input/Compare2 output/PWM2 output.
RC2/CCP1
17
19
36
I/O
ST
RC2 can also be the Capture1 input/Compare1
output/PWM1 output.
RC3/SCK/SCL
18
20
37
I/O
ST
RC3 can also be the synchronous serial clock input/
output for both SPI and I2C modes.
RC4/SDI/SDA
23
25
42
I/O
ST
RC4 can also be the SPI Data In (SPI mode) or
data I/O (I2C mode).
RC5/SDO
24
26
43
I/O
ST
RC5 can also be the SPI Data Out (SPI mode).
RC6/TX/CK
25
27
44
I/O
ST
RC6 can also be the USART Asynchronous Transmit
or Synchronous Clock.
RC7/RX/DT
26
29
1
I/O
ST
RC7 can also be the USART Asynchronous Receive
or Synchronous Data.
PORTD is a bi-directional I/O port or parallel slave port
when interfacing to a microprocessor bus.
RD0/PSP0
19
21
38
I/O
ST/TTL(3)
RD1/PSP1
20
22
39
I/O
ST/TTL(3)
RD2/PSP2
21
23
40
I/O
ST/TTL(3)
RD3/PSP3
22
24
41
I/O
ST/TTL(3)
RD4/PSP4
27
30
2
I/O
ST/TTL(3)
RD5/PSP5
28
31
3
I/O
ST/TTL(3)
RD6/PSP6
29
32
4
I/O
ST/TTL(3)
RD7/PSP7
30
33
5
I/O
ST/TTL(3)
PORTE is a bi-directional I/O port.
RE0/RD/AN5
8
9
25
I/O
ST/TTL(3)
RE0 can also be read control for the parallel slave
port, or analog input5.
RE1/WR/AN6
9
10
26
I/O
ST/TTL(3)
RE1 can also be write control for the parallel slave
port, or analog input6.
RE2/CS/AN7
10
11
27
I/O
ST/TTL(3)
RE2 can also be select control for the parallel slave
port, or analog input7.
VSS
12,31
13,34
6,29
P
—
Ground reference for logic and I/O pins.
VDD
11,32
12,35
7,28
P
—
Positive supply for logic and I/O pins.
NC
—
1,17,28,
40
12,13,
33,34
—
These pins are not internally connected. These pins
should be left unconnected.
TABLE 1-2:
PIC16F874 AND PIC16F877 PINOUT DESCRIPTION (CONTINUED)
Pin Name
DIP
Pin#
PLCC
Pin#
QFP
Pin#
I/O/P
Type
Buffer
Type
Description
Legend: I = input
O = output
I/O = input/output
P = power
— = Not used
TTL = TTL input
ST = Schmitt Trigger input
Note 1: This buffer is a Schmitt Trigger input when configured as an external interrupt.
2: This buffer is a Schmitt Trigger input when used in Serial Programming mode.
3: This buffer is a Schmitt Trigger input when configured as general purpose I/O and a TTL input when used in the Parallel
Slave Port mode (for interfacing to a microprocessor bus).
4: This buffer is a Schmitt Trigger input when configured in RC oscillator mode and a CMOS input otherwise.
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