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參數(shù)資料
| 型號： | S3C8849 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | SAM87 family of 8-bit single-chip CMOS microcontrollers |
| 中文描述： | SAM87家庭的8位單芯片CMOS微控制器 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 150K |
| 代理商： | S3C8849 |
S3C8847/C8849/P8849
PRODUCT OVERVIEW
1-5
PIN DESCRIPTIONS
Table 1-1. S3C8847/C8849/P8849 Pin Descriptions
Pin Name
Pin
Type
I/O
Pin Description
Circuit
Type
2
Pin
Numbers
39–42
Share
Pins
(see pin
description)
P0.0–P0.3
General I/O port (4-bit), configurable for
digital input or n-channel open-drain, push-
pull output.
Pins can withstand up to 5 V loads.
General I/O port (2-bit), configurable for
digital input or push-pull output.
General I/O port (2-bit), configurable for
digital input or n-channel open-drain output.
P0.6–P0.7 can withstand up to 5 V loads.
Multiplexed for alternative use as external
inputs, ADC2–ADC3.
General I/O port (4-bit), configurable for
digital input or n-channel open-drain output.
P1.0–P1.3 can withstand up to 6 V loads.
Multiplexed for alternative use as external
interrupt inputs, INT0–INT3.
General I/O port (2-bit), configurable for
digital input or n-channel open-drain output.
P1.4–P1.5 can withstand up to 6 V loads.
High current port(10mA)
General I/O port (2-bit), configurable for
digital input or push-pull output.
Each pin has an alternative function.
P1.7: T0CK (Timer 0 clock input)
General I/O port (8-bit). Input/output mode
or n-channel open-drain, push-pull output
mode are software configurable. Pins can
withstand up to 5 V loads.
Each pin has an alternative function.
P2.0: PWM5 (8-bit PWM output)
P2.1: PWM1 (14-bit PWM output)
P2.2: PWM2 (8-bit PWM output)
P2.3: PWM3 (8-bit PWM output)
P2.4: PWM4 (8-bit PWM output)
P2.5: PWM0 (14-bit PWM output)
P2.6: T0 (Timer 0 PWM and interval output)
P2.7: OSDHT (Halftone signal output)
General I/O port (2-bit), configurable for
digital input or n-channel open-drain output.
P3.0–P3.1 can withstand up to 5 V loads.
Multiplexed for alternative use as external
inputs ADC0–ADC1.
P0.4–P0.5
3
38, 35
P0.6–P0.7
6
11–12
ADC2–ADC3
P1.0–P1.3
I/O
7
14–17
INT0–INT3
P1.4–P1.5
5
18–19
P1.6–P1.7
3
20, 8
T0CK
P2.0–P2.7
I/O
2
1–7, 21
PWM0–
PWM5
T0, OSDHT
P3.0–P3.1
I/O
6
9–10
ADC0–ADC1
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